From: Dave Hansen <dave.hansen@intel.com>
To: Steven Price <steven.price@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Hugh Dickins <hughd@google.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH 2/4] mm: Add arch hooks for saving/restoring tags
Date: Wed, 22 Apr 2020 11:08:10 -0700 [thread overview]
Message-ID: <edd132f8-c39b-9586-1714-19a335ccea5c@intel.com> (raw)
In-Reply-To: <20200422142530.32619-3-steven.price@arm.com>
On 4/22/20 7:25 AM, Steven Price wrote:
> Three new hooks are added to the swap code:
> * arch_prepare_to_swap() and
> * arch_swap_invalidate_page() / arch_swap_invalidate_area().
> One new hook is added to shmem:
> * arch_swap_restore_tags()
How do the tags get restored outside of the shmem path? I was expecting
to see more arch_swap_restore_tags() sites.
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Steven Price <steven.price@arm.com>,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org
Cc: linux-arch@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH 2/4] mm: Add arch hooks for saving/restoring tags
Date: Wed, 22 Apr 2020 11:08:10 -0700 [thread overview]
Message-ID: <edd132f8-c39b-9586-1714-19a335ccea5c@intel.com> (raw)
In-Reply-To: <20200422142530.32619-3-steven.price@arm.com>
On 4/22/20 7:25 AM, Steven Price wrote:
> Three new hooks are added to the swap code:
> * arch_prepare_to_swap() and
> * arch_swap_invalidate_page() / arch_swap_invalidate_area().
> One new hook is added to shmem:
> * arch_swap_restore_tags()
How do the tags get restored outside of the shmem path? I was expecting
to see more arch_swap_restore_tags() sites.
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next prev parent reply other threads:[~2020-04-22 18:08 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 14:25 [PATCH 0/4] arm64: MTE swap and hibernation support Steven Price
2020-04-22 14:25 ` Steven Price
2020-04-22 14:25 ` [PATCH 1/4] mm: Add PG_ARCH_2 page flag Steven Price
2020-04-22 14:25 ` Steven Price
2020-04-22 14:25 ` [PATCH 2/4] mm: Add arch hooks for saving/restoring tags Steven Price
2020-04-22 14:25 ` Steven Price
2020-04-22 18:08 ` Dave Hansen [this message]
2020-04-22 18:08 ` Dave Hansen
2020-04-23 9:09 ` Catalin Marinas
2020-04-23 9:09 ` Catalin Marinas
2020-04-23 12:37 ` Steven Price
2020-04-23 12:37 ` Steven Price
2020-04-22 14:25 ` [PATCH 3/4] arm64: mte: Enable swap of tagged pages Steven Price
2020-04-22 14:25 ` Steven Price
2020-04-22 18:34 ` Dave Hansen
2020-04-22 18:34 ` Dave Hansen
2020-04-22 18:34 ` Dave Hansen
2020-04-23 13:51 ` Steven Price
2020-04-23 13:51 ` Steven Price
2020-05-03 15:29 ` Catalin Marinas
2020-05-03 15:29 ` Catalin Marinas
2020-05-04 12:53 ` Steven Price
2020-05-04 12:53 ` Steven Price
2020-04-22 14:25 ` [PATCH 4/4] arm64: mte: Save tags when hibernating Steven Price
2020-04-22 14:25 ` Steven Price
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