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From: Saravana Kannan <saravanak@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Isaac Manjarres <isaacmanjarres@google.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>,
	Marc Zyngier <maz@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	kernel-team@android.com
Subject: Re: [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN
Date: Fri, 14 Oct 2022 13:23:02 -0700	[thread overview]
Message-ID: <CAGETcx9zGaFFBqQ8d4kF-jz3nOjyShkbu3Z4YHpFY9_N+16g-w@mail.gmail.com> (raw)
In-Reply-To: <Y0mNek2pRpXexZxX@arm.com>

On Fri, Oct 14, 2022 at 9:25 AM Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> On Thu, Oct 13, 2022 at 11:58:22AM -0700, Saravana Kannan wrote:
> > On Thu, Oct 13, 2022 at 9:57 AM Catalin Marinas <catalin.marinas@arm.com> wrote:
> > > > If so, would there be concerns that the memory savings we get back from
> > > > reducing the memory footprint of kmalloc might be defeated by how much
> > > > memory is needed for bounce buffering?
> > >
> > > It's not necessarily about the saved memory but also locality of the
> > > small buffer allocations, less cache and TLB pressure.
> >
> > Part of the pushback we get when we try to move some of the Android
> > ecosystem from 32-bit to 64-bit is the memory usage increase. So,
> > while the main goal might not be memory savings, it'll be good to keep
> > that in mind too. I'd definitely not want this patch series to make
> > things worse. Ideally, it'd make things better. 10MB is considered a
> > lot on some of the super low speced devices.
>
> Well, we can still add the option to skip allocating from the small
> kmalloc caches if there's no swiotlb available.

This seems like a good compromise.

> > > I wonder whether swiotlb is actually the best option for bouncing
> > > unaligned buffers. We could use something like mempool_alloc() instead
> > > if we stick to small buffers rather than any (even large) buffer that's
> > > not aligned to a cache line. Or just go for kmem_cache_alloc() directly.
> > > A downside is that we may need GFP_ATOMIC for such allocations, so
> > > higher risk of failure.
> >
> > Yeah, a temporary kmem_cache_alloc() to bounce buffers off of feels
> > like a better idea than swiotlb. Especially for small allocations (say
> > 8 byte allocations) that might have gone into the kmem-cache-64 if we
> > hadn't dropped KMALLOC_MIN_ALIGN to 8.
>
> I now remembered why this isn't trivial. On the dma_unmap_*() side, we
> can't easily tell whether the buffer was bounced and it needs freeing.
> The swiotlb solves this by checking whether the address is within the
> pre-allocated swiotlb range. With kmem_caches, we could dig into the
> slab internals and check whether the pointer is part of a slab page,
> then check with kmem_cache that was. It looks too complicated and I'm
> rather tempted to just go for swiotlb if available or prevent the
> creation of small kmalloc caches if no swiotlb (TBH, even the initial
> series was an improvement dropping KMALLOC_MIN_ALIGN from 128 to 64).

Agreed. Even allowing a 64-byte kmalloc cache on a system with a
64-byte cacheline size saves quite a bit of memory.

-Saravana

WARNING: multiple messages have this Message-ID (diff)
From: Saravana Kannan <saravanak@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Isaac Manjarres <isaacmanjarres@google.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	 Ard Biesheuvel <ardb@kernel.org>, Will Deacon <will@kernel.org>,
	Marc Zyngier <maz@kernel.org>,  Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	 Linux Memory Management List <linux-mm@kvack.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	 kernel-team@android.com
Subject: Re: [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN
Date: Fri, 14 Oct 2022 13:23:02 -0700	[thread overview]
Message-ID: <CAGETcx9zGaFFBqQ8d4kF-jz3nOjyShkbu3Z4YHpFY9_N+16g-w@mail.gmail.com> (raw)
In-Reply-To: <Y0mNek2pRpXexZxX@arm.com>

On Fri, Oct 14, 2022 at 9:25 AM Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> On Thu, Oct 13, 2022 at 11:58:22AM -0700, Saravana Kannan wrote:
> > On Thu, Oct 13, 2022 at 9:57 AM Catalin Marinas <catalin.marinas@arm.com> wrote:
> > > > If so, would there be concerns that the memory savings we get back from
> > > > reducing the memory footprint of kmalloc might be defeated by how much
> > > > memory is needed for bounce buffering?
> > >
> > > It's not necessarily about the saved memory but also locality of the
> > > small buffer allocations, less cache and TLB pressure.
> >
> > Part of the pushback we get when we try to move some of the Android
> > ecosystem from 32-bit to 64-bit is the memory usage increase. So,
> > while the main goal might not be memory savings, it'll be good to keep
> > that in mind too. I'd definitely not want this patch series to make
> > things worse. Ideally, it'd make things better. 10MB is considered a
> > lot on some of the super low speced devices.
>
> Well, we can still add the option to skip allocating from the small
> kmalloc caches if there's no swiotlb available.

This seems like a good compromise.

> > > I wonder whether swiotlb is actually the best option for bouncing
> > > unaligned buffers. We could use something like mempool_alloc() instead
> > > if we stick to small buffers rather than any (even large) buffer that's
> > > not aligned to a cache line. Or just go for kmem_cache_alloc() directly.
> > > A downside is that we may need GFP_ATOMIC for such allocations, so
> > > higher risk of failure.
> >
> > Yeah, a temporary kmem_cache_alloc() to bounce buffers off of feels
> > like a better idea than swiotlb. Especially for small allocations (say
> > 8 byte allocations) that might have gone into the kmem-cache-64 if we
> > hadn't dropped KMALLOC_MIN_ALIGN to 8.
>
> I now remembered why this isn't trivial. On the dma_unmap_*() side, we
> can't easily tell whether the buffer was bounced and it needs freeing.
> The swiotlb solves this by checking whether the address is within the
> pre-allocated swiotlb range. With kmem_caches, we could dig into the
> slab internals and check whether the pointer is part of a slab page,
> then check with kmem_cache that was. It looks too complicated and I'm
> rather tempted to just go for swiotlb if available or prevent the
> creation of small kmalloc caches if no swiotlb (TBH, even the initial
> series was an improvement dropping KMALLOC_MIN_ALIGN from 128 to 64).

Agreed. Even allowing a 64-byte kmalloc cache on a system with a
64-byte cacheline size saves quite a bit of memory.

-Saravana

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  reply	other threads:[~2022-10-14 20:23 UTC|newest]

Thread overview: 287+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-05 13:57 [PATCH 00/10] mm, arm64: Reduce ARCH_KMALLOC_MINALIGN below the cache line size Catalin Marinas
2022-04-05 13:57 ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 01/10] mm/slab: Decouple ARCH_KMALLOC_MINALIGN from ARCH_DMA_MINALIGN Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 23:59   ` Hyeonggon Yoo
2022-04-05 23:59     ` Hyeonggon Yoo
2022-04-06  7:29     ` Arnd Bergmann
2022-04-06  7:29       ` Arnd Bergmann
2022-04-06 12:09       ` Hyeonggon Yoo
2022-04-06 12:09         ` Hyeonggon Yoo
2022-04-06  8:53     ` Catalin Marinas
2022-04-06  8:53       ` Catalin Marinas
2022-04-06  2:01   ` kernel test robot
2022-04-06  8:56     ` Catalin Marinas
2022-04-06  8:56       ` Catalin Marinas
2022-04-06 12:18       ` [kbuild-all] " Chen, Rong A
2022-04-08  6:42   ` Hyeonggon Yoo
2022-04-08  6:42     ` Hyeonggon Yoo
2022-04-08  9:06     ` Hyeonggon Yoo
2022-04-08  9:06       ` Hyeonggon Yoo
2022-04-08  9:11     ` Catalin Marinas
2022-04-08  9:11       ` Catalin Marinas
2022-04-11 10:37   ` Hyeonggon Yoo
2022-04-11 10:37     ` Hyeonggon Yoo
2022-04-11 14:02     ` Catalin Marinas
2022-04-11 14:02       ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 02/10] drivers/base: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-11 14:57   ` Andy Shevchenko
2022-04-11 14:57     ` Andy Shevchenko
2022-04-11 17:39     ` Catalin Marinas
2022-04-11 17:39       ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 03/10] drivers/gpu: " Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 04/10] drivers/md: " Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 05/10] drivers/spi: " Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 14:05   ` Mark Brown
2022-04-05 14:05     ` Mark Brown
2022-04-05 13:57 ` [PATCH 06/10] drivers/usb: " Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 07/10] crypto: " Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-05 22:57   ` Herbert Xu
2022-04-05 22:57     ` Herbert Xu
2022-04-06  6:53     ` Ard Biesheuvel
2022-04-06  6:53       ` Ard Biesheuvel
2022-04-06  8:49       ` Catalin Marinas
2022-04-06  8:49         ` Catalin Marinas
2022-04-06  9:41         ` Ard Biesheuvel
2022-04-06  9:41           ` Ard Biesheuvel
2022-04-07  4:30         ` Herbert Xu
2022-04-07  4:30           ` Herbert Xu
2022-04-07 11:01           ` Catalin Marinas
2022-04-07 11:01             ` Catalin Marinas
2022-04-07 11:40             ` Herbert Xu
2022-04-07 11:40               ` Herbert Xu
2022-04-07 16:28               ` Catalin Marinas
2022-04-07 16:28                 ` Catalin Marinas
2022-04-08  3:25                 ` Herbert Xu
2022-04-08  3:25                   ` Herbert Xu
2022-04-08  9:04                   ` Catalin Marinas
2022-04-08  9:04                     ` Catalin Marinas
2022-04-08  9:11                     ` Herbert Xu
2022-04-08  9:11                       ` Herbert Xu
2022-04-12  9:32                       ` Catalin Marinas
2022-04-12  9:32                         ` Catalin Marinas
2022-04-12  9:40                         ` Herbert Xu
2022-04-12  9:40                           ` Herbert Xu
2022-04-12 10:02                           ` Catalin Marinas
2022-04-12 10:02                             ` Catalin Marinas
2022-04-12 10:18                             ` Herbert Xu
2022-04-12 10:18                               ` Herbert Xu
2022-04-12 12:31                               ` Catalin Marinas
2022-04-12 12:31                                 ` Catalin Marinas
2022-04-12 22:01                                 ` Ard Biesheuvel
2022-04-12 22:01                                   ` Ard Biesheuvel
2022-04-13  8:47                                   ` Catalin Marinas
2022-04-13  8:47                                     ` Catalin Marinas
2022-04-13 19:53                                     ` Linus Torvalds
2022-04-13 19:53                                       ` Linus Torvalds
2022-04-14  5:38                                       ` Greg Kroah-Hartman
2022-04-14  5:38                                         ` Greg Kroah-Hartman
2022-04-14 13:52                                         ` Ard Biesheuvel
2022-04-14 13:52                                           ` Ard Biesheuvel
2022-04-14 14:27                                           ` Greg Kroah-Hartman
2022-04-14 14:27                                             ` Greg Kroah-Hartman
2022-04-14 14:36                                             ` Ard Biesheuvel
2022-04-14 14:36                                               ` Ard Biesheuvel
2022-04-14 14:52                                               ` Greg Kroah-Hartman
2022-04-14 14:52                                                 ` Greg Kroah-Hartman
2022-04-14 15:01                                                 ` Ard Biesheuvel
2022-04-14 15:01                                                   ` Ard Biesheuvel
2022-04-14 15:10                                                   ` Ard Biesheuvel
2022-04-14 15:10                                                     ` Ard Biesheuvel
2022-04-14 19:49                                       ` Catalin Marinas
2022-04-14 19:49                                         ` Catalin Marinas
2022-04-14 22:25                                         ` Linus Torvalds
2022-04-14 22:25                                           ` Linus Torvalds
2022-04-15  6:03                                           ` Ard Biesheuvel
2022-04-15  6:03                                             ` Ard Biesheuvel
2022-04-15 11:09                                           ` Arnd Bergmann
2022-04-15 11:09                                             ` Arnd Bergmann
2022-04-16  9:42                                           ` Catalin Marinas
2022-04-16  9:42                                             ` Catalin Marinas
2022-04-20 19:07                                           ` Catalin Marinas
2022-04-20 19:07                                             ` Catalin Marinas
2022-04-20 19:33                                             ` Linus Torvalds
2022-04-20 19:33                                               ` Linus Torvalds
2022-04-14 14:30                                     ` Ard Biesheuvel
2022-04-14 14:30                                       ` Ard Biesheuvel
2022-04-15  6:51                                     ` Herbert Xu
2022-04-15  6:51                                       ` Herbert Xu
2022-04-15  7:49                                       ` Ard Biesheuvel
2022-04-15  7:49                                         ` Ard Biesheuvel
2022-04-15  7:51                                         ` Herbert Xu
2022-04-15  7:51                                           ` Herbert Xu
2022-04-15  8:05                                           ` Ard Biesheuvel
2022-04-15  8:05                                             ` Ard Biesheuvel
2022-04-15  8:12                                             ` Herbert Xu
2022-04-15  8:12                                               ` Herbert Xu
2022-04-15  9:51                                               ` Ard Biesheuvel
2022-04-15  9:51                                                 ` Ard Biesheuvel
2022-04-15 10:04                                                 ` Ard Biesheuvel
2022-04-15 10:04                                                   ` Ard Biesheuvel
2022-04-15 10:12                                                 ` Herbert Xu
2022-04-15 10:12                                                   ` Herbert Xu
2022-04-15 10:22                                                   ` Ard Biesheuvel
2022-04-15 10:22                                                     ` Ard Biesheuvel
2022-04-15 10:45                                                     ` Herbert Xu
2022-04-15 10:45                                                       ` Herbert Xu
2022-04-15 11:38                                                       ` Ard Biesheuvel
2022-04-15 11:38                                                         ` Ard Biesheuvel
2022-04-17  8:08                                                         ` Herbert Xu
2022-04-17  8:08                                                           ` Herbert Xu
2022-04-17  8:31                                                           ` Catalin Marinas
2022-04-17  8:31                                                             ` Catalin Marinas
2022-04-17  8:35                                                             ` Herbert Xu
2022-04-17  8:35                                                               ` Herbert Xu
2022-04-17  8:50                                                               ` Catalin Marinas
2022-04-17  8:50                                                                 ` Catalin Marinas
2022-04-17  8:58                                                                 ` Herbert Xu
2022-04-17  8:58                                                                   ` Herbert Xu
2022-04-17 16:30                                                                   ` Catalin Marinas
2022-04-17 16:30                                                                     ` Catalin Marinas
2022-04-18  8:37                                                                     ` Herbert Xu
2022-04-18  8:37                                                                       ` Herbert Xu
2022-04-18  9:19                                                                       ` Catalin Marinas
2022-04-18  9:19                                                                         ` Catalin Marinas
2022-04-18 16:44                                                                       ` Catalin Marinas
2022-04-18 16:44                                                                         ` Catalin Marinas
2022-04-19 21:50                                                                         ` Ard Biesheuvel
2022-04-19 21:50                                                                           ` Ard Biesheuvel
2022-04-20 10:36                                                                           ` Catalin Marinas
2022-04-20 10:36                                                                             ` Catalin Marinas
2022-04-20 11:29                                                                           ` Arnd Bergmann
2022-04-20 11:29                                                                             ` Arnd Bergmann
2022-04-21  7:20                                                                             ` Christoph Hellwig
2022-04-21  7:20                                                                               ` Christoph Hellwig
2022-04-21  7:36                                                                               ` Arnd Bergmann
2022-04-21  7:36                                                                                 ` Arnd Bergmann
2022-04-21  7:44                                                                                 ` Christoph Hellwig
2022-04-21  7:44                                                                                   ` Christoph Hellwig
2022-04-21  8:05                                                                               ` Ard Biesheuvel
2022-04-21  8:05                                                                                 ` Ard Biesheuvel
2022-04-21 11:06                                                                               ` Catalin Marinas
2022-04-21 11:06                                                                                 ` Catalin Marinas
2022-04-21 12:28                                                                                 ` Arnd Bergmann
2022-04-21 12:28                                                                                   ` Arnd Bergmann
2022-04-21 13:25                                                                                   ` Catalin Marinas
2022-04-21 13:25                                                                                     ` Catalin Marinas
2022-04-21 13:47                                                                                     ` Arnd Bergmann
2022-04-21 13:47                                                                                       ` Arnd Bergmann
2022-04-21 14:44                                                                                       ` Catalin Marinas
2022-04-21 14:44                                                                                         ` Catalin Marinas
2022-04-21 14:47                                                                                         ` Arnd Bergmann
2022-04-21 14:47                                                                                           ` Arnd Bergmann
2022-05-10 11:03                                                                       ` [RFC PATCH 0/7] crypto: Add helpers for allocating with DMA alignment Herbert Xu
2022-05-10 11:03                                                                         ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 1/7] crypto: Prepare to move crypto_tfm_ctx Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 2/7] crypto: api - Add crypto_tfm_ctx_dma Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 17:10                                                                           ` Catalin Marinas
2022-05-10 17:10                                                                             ` Catalin Marinas
2022-05-12  3:57                                                                             ` Herbert Xu
2022-05-12  3:57                                                                               ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 3/7] crypto: aead - Add ctx helpers with DMA alignment Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 4/7] crypto: hash " Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 5/7] crypto: skcipher " Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 6/7] crypto: api - Increase MAX_ALGAPI_ALIGNMASK to 127 Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-05-10 11:07                                                                         ` [RFC PATCH 7/7] crypto: caam - Explicitly request DMA alignment Herbert Xu
2022-05-10 11:07                                                                           ` Herbert Xu
2022-04-15 12:18                                             ` [PATCH 07/10] crypto: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Catalin Marinas
2022-04-15 12:18                                               ` Catalin Marinas
2022-04-15 12:25                                               ` Ard Biesheuvel
2022-04-15 12:25                                                 ` Ard Biesheuvel
2022-04-15  9:51                                           ` Catalin Marinas
2022-04-15  9:51                                             ` Catalin Marinas
2022-04-15 12:31                                             ` Catalin Marinas
2022-04-15 12:31                                               ` Catalin Marinas
2022-04-17  8:11                                               ` Herbert Xu
2022-04-17  8:11                                                 ` Herbert Xu
2022-04-17  8:38                                                 ` Catalin Marinas
2022-04-17  8:38                                                   ` Catalin Marinas
2022-04-17  8:43                                                   ` Herbert Xu
2022-04-17  8:43                                                     ` Herbert Xu
2022-04-17 16:29                                                     ` Catalin Marinas
2022-04-17 16:29                                                       ` Catalin Marinas
2022-07-15 22:23                                                       ` Isaac Manjarres
2022-07-15 22:23                                                         ` Isaac Manjarres
2022-07-16  3:25                                                         ` Herbert Xu
2022-07-16  3:25                                                           ` Herbert Xu
2022-07-18 17:53                                                           ` Catalin Marinas
2022-07-18 17:53                                                             ` Catalin Marinas
2022-09-21  0:47                                                             ` Isaac Manjarres
2022-09-21  0:47                                                               ` Isaac Manjarres
2022-09-30 18:32                                                               ` Catalin Marinas
2022-09-30 18:32                                                                 ` Catalin Marinas
2022-09-30 19:35                                                                 ` Linus Torvalds
2022-09-30 19:35                                                                   ` Linus Torvalds
2022-10-01 22:29                                                                   ` Catalin Marinas
2022-10-01 22:29                                                                     ` Catalin Marinas
2022-10-02 17:00                                                                     ` Linus Torvalds
2022-10-02 17:00                                                                       ` Linus Torvalds
2022-10-02 22:08                                                                       ` Ard Biesheuvel
2022-10-02 22:08                                                                         ` Ard Biesheuvel
2022-10-02 22:24                                                                         ` Linus Torvalds
2022-10-02 22:24                                                                           ` Linus Torvalds
2022-10-03 17:39                                                                           ` Catalin Marinas
2022-10-03 17:39                                                                             ` Catalin Marinas
2022-10-12 17:45                                                                 ` Isaac Manjarres
2022-10-12 17:45                                                                   ` Isaac Manjarres
2022-10-13 16:57                                                                   ` Catalin Marinas
2022-10-13 16:57                                                                     ` Catalin Marinas
2022-10-13 18:58                                                                     ` Saravana Kannan
2022-10-13 18:58                                                                       ` Saravana Kannan
2022-10-14 16:25                                                                       ` Catalin Marinas
2022-10-14 16:25                                                                         ` Catalin Marinas
2022-10-14 20:23                                                                         ` Saravana Kannan [this message]
2022-10-14 20:23                                                                           ` Saravana Kannan
2022-10-14 20:44                                                                           ` Linus Torvalds
2022-10-14 20:44                                                                             ` Linus Torvalds
2022-10-16 21:37                                                                             ` Catalin Marinas
2022-10-16 21:37                                                                               ` Catalin Marinas
2022-04-12 10:20                             ` Catalin Marinas
2022-04-12 10:20                               ` Catalin Marinas
2022-04-07  6:14   ` Muchun Song
2022-04-07  6:14     ` Muchun Song
2022-04-07  9:25     ` Catalin Marinas
2022-04-07  9:25       ` Catalin Marinas
2022-04-07 10:00       ` Muchun Song
2022-04-07 10:00         ` Muchun Song
2022-04-07 11:06         ` Catalin Marinas
2022-04-07 11:06           ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 08/10] mm/slab: Allow dynamic kmalloc() minimum alignment Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-07  3:46   ` Hyeonggon Yoo
2022-04-07  3:46     ` Hyeonggon Yoo
2022-04-07  8:50     ` Catalin Marinas
2022-04-07  8:50       ` Catalin Marinas
2022-04-07  9:18       ` Hyeonggon Yoo
2022-04-07  9:18         ` Hyeonggon Yoo
2022-04-07  9:35         ` Catalin Marinas
2022-04-07  9:35           ` Catalin Marinas
2022-04-07 12:26           ` Hyeonggon Yoo
2022-04-07 12:26             ` Hyeonggon Yoo
2022-04-11 11:55   ` Hyeonggon Yoo
2022-04-11 11:55     ` Hyeonggon Yoo
2022-04-05 13:57 ` [PATCH 09/10] mm/slab: Simplify create_kmalloc_cache() args and make it static Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-06  5:35   ` kernel test robot
2022-04-06  8:57     ` Catalin Marinas
2022-04-06  8:57       ` Catalin Marinas
2022-04-05 13:57 ` [PATCH 10/10] arm64: Enable dynamic kmalloc() minimum alignment Catalin Marinas
2022-04-05 13:57   ` Catalin Marinas
2022-04-07 14:40 ` [PATCH 00/10] mm, arm64: Reduce ARCH_KMALLOC_MINALIGN below the cache line size Vlastimil Babka
2022-04-07 14:40   ` Vlastimil Babka
2022-04-07 17:48   ` Catalin Marinas
2022-04-07 17:48     ` Catalin Marinas
2022-04-08 14:37     ` Vlastimil Babka
2022-04-08 14:37       ` Vlastimil Babka

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