From: David Hildenbrand <david@redhat.com> To: Anshuman Khandual <anshuman.khandual@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, akpm@linux-foundation.org, will.deacon@arm.com, catalin.marinas@arm.com Cc: mhocko@suse.com, mgorman@techsingularity.net, james.morse@arm.com, mark.rutland@arm.com, robin.murphy@arm.com, cpandya@codeaurora.org, arunks@codeaurora.org, dan.j.williams@intel.com, osalvador@suse.de, cai@lca.pw, logang@deltatee.com, ira.weiny@intel.com Subject: Re: [PATCH V2 0/2] arm64/mm: Enable memory hot remove Date: Mon, 13 May 2019 12:01:36 +0200 [thread overview] Message-ID: <a396de3d-b5d4-51ae-51bf-5e6ce66c30f5@redhat.com> (raw) In-Reply-To: <67efff12-6d7f-9696-0c34-c9ad11acd297@arm.com> On 13.05.19 10:37, Anshuman Khandual wrote: > > > On 05/13/2019 01:52 PM, David Hildenbrand wrote: >> On 14.04.19 07:59, Anshuman Khandual wrote: >>> This series enables memory hot remove on arm64 after fixing a memblock >>> removal ordering problem in generic __remove_memory(). This is based >>> on the following arm64 working tree. >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core >>> >>> Testing: >>> >>> Tested hot remove on arm64 for all 4K, 16K, 64K page config options with >>> all possible VA_BITS and PGTABLE_LEVELS combinations. Build tested on non >>> arm64 platforms. >>> >>> Changes in V2: >>> >>> - Added all received review and ack tags >>> - Split the series from ZONE_DEVICE enablement for better review >>> >>> - Moved memblock re-order patch to the front as per Robin Murphy >>> - Updated commit message on memblock re-order patch per Michal Hocko >>> >>> - Dropped [pmd|pud]_large() definitions >>> - Used existing [pmd|pud]_sect() instead of earlier [pmd|pud]_large() >>> - Removed __meminit and __ref tags as per Oscar Salvador >>> - Dropped unnecessary 'ret' init in arch_add_memory() per Robin Murphy >>> - Skipped calling into pgtable_page_dtor() for linear mapping page table >>> pages and updated all relevant functions >>> >>> Changes in V1: (https://lkml.org/lkml/2019/4/3/28) >>> >>> Anshuman Khandual (2): >>> mm/hotplug: Reorder arch_remove_memory() call in __remove_memory() >>> arm64/mm: Enable memory hot remove >>> >>> arch/arm64/Kconfig | 3 + >>> arch/arm64/include/asm/pgtable.h | 2 + >>> arch/arm64/mm/mmu.c | 221 ++++++++++++++++++++++++++++++++++++++- >>> mm/memory_hotplug.c | 3 +- >>> 4 files changed, 225 insertions(+), 4 deletions(-) >>> >> >> What's the progress of this series? I'll need arch_remove_memory() for >> the series >> >> [PATCH v2 0/8] mm/memory_hotplug: Factor out memory block device handling >> > > Hello David, > > I am almost done with the next version with respect to memory hot-remove i.e > arch_remove_memory(). But most of the time was spent addressing concerns with > respect to how memory hot remove is going to impact existing arm64 and generic > code which can concurrently walk or modify init_mm page table. I should be > sending out V3 this week or early next week. Okay, thanks! > > - Anshuman > -- Thanks, David / dhildenb
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david@redhat.com> To: Anshuman Khandual <anshuman.khandual@arm.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, akpm@linux-foundation.org, will.deacon@arm.com, catalin.marinas@arm.com Cc: mark.rutland@arm.com, mhocko@suse.com, ira.weiny@intel.com, robin.murphy@arm.com, cai@lca.pw, logang@deltatee.com, james.morse@arm.com, cpandya@codeaurora.org, arunks@codeaurora.org, dan.j.williams@intel.com, mgorman@techsingularity.net, osalvador@suse.de Subject: Re: [PATCH V2 0/2] arm64/mm: Enable memory hot remove Date: Mon, 13 May 2019 12:01:36 +0200 [thread overview] Message-ID: <a396de3d-b5d4-51ae-51bf-5e6ce66c30f5@redhat.com> (raw) In-Reply-To: <67efff12-6d7f-9696-0c34-c9ad11acd297@arm.com> On 13.05.19 10:37, Anshuman Khandual wrote: > > > On 05/13/2019 01:52 PM, David Hildenbrand wrote: >> On 14.04.19 07:59, Anshuman Khandual wrote: >>> This series enables memory hot remove on arm64 after fixing a memblock >>> removal ordering problem in generic __remove_memory(). This is based >>> on the following arm64 working tree. >>> >>> git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core >>> >>> Testing: >>> >>> Tested hot remove on arm64 for all 4K, 16K, 64K page config options with >>> all possible VA_BITS and PGTABLE_LEVELS combinations. Build tested on non >>> arm64 platforms. >>> >>> Changes in V2: >>> >>> - Added all received review and ack tags >>> - Split the series from ZONE_DEVICE enablement for better review >>> >>> - Moved memblock re-order patch to the front as per Robin Murphy >>> - Updated commit message on memblock re-order patch per Michal Hocko >>> >>> - Dropped [pmd|pud]_large() definitions >>> - Used existing [pmd|pud]_sect() instead of earlier [pmd|pud]_large() >>> - Removed __meminit and __ref tags as per Oscar Salvador >>> - Dropped unnecessary 'ret' init in arch_add_memory() per Robin Murphy >>> - Skipped calling into pgtable_page_dtor() for linear mapping page table >>> pages and updated all relevant functions >>> >>> Changes in V1: (https://lkml.org/lkml/2019/4/3/28) >>> >>> Anshuman Khandual (2): >>> mm/hotplug: Reorder arch_remove_memory() call in __remove_memory() >>> arm64/mm: Enable memory hot remove >>> >>> arch/arm64/Kconfig | 3 + >>> arch/arm64/include/asm/pgtable.h | 2 + >>> arch/arm64/mm/mmu.c | 221 ++++++++++++++++++++++++++++++++++++++- >>> mm/memory_hotplug.c | 3 +- >>> 4 files changed, 225 insertions(+), 4 deletions(-) >>> >> >> What's the progress of this series? I'll need arch_remove_memory() for >> the series >> >> [PATCH v2 0/8] mm/memory_hotplug: Factor out memory block device handling >> > > Hello David, > > I am almost done with the next version with respect to memory hot-remove i.e > arch_remove_memory(). But most of the time was spent addressing concerns with > respect to how memory hot remove is going to impact existing arm64 and generic > code which can concurrently walk or modify init_mm page table. I should be > sending out V3 this week or early next week. Okay, thanks! > > - Anshuman > -- Thanks, David / dhildenb _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-05-13 10:01 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-14 5:59 [PATCH V2 0/2] arm64/mm: Enable memory hot remove Anshuman Khandual 2019-04-14 5:59 ` Anshuman Khandual 2019-04-14 5:59 ` [PATCH V2 1/2] mm/hotplug: Reorder arch_remove_memory() call in __remove_memory() Anshuman Khandual 2019-04-14 5:59 ` Anshuman Khandual 2019-04-15 13:58 ` David Hildenbrand 2019-04-15 13:58 ` David Hildenbrand 2019-04-16 10:12 ` Anshuman Khandual 2019-04-16 10:12 ` Anshuman Khandual 2019-04-14 5:59 ` [PATCH V2 2/2] arm64/mm: Enable memory hot remove Anshuman Khandual 2019-04-14 5:59 ` Anshuman Khandual 2019-04-15 13:48 ` Mark Rutland 2019-04-15 13:48 ` Mark Rutland 2019-04-17 9:58 ` Anshuman Khandual 2019-04-17 9:58 ` Anshuman Khandual 2019-04-17 14:21 ` Mark Rutland 2019-04-17 14:21 ` Mark Rutland 2019-04-17 16:45 ` Anshuman Khandual 2019-04-17 16:45 ` Anshuman Khandual 2019-04-17 17:39 ` Mark Rutland 2019-04-17 17:39 ` Mark Rutland 2019-04-18 5:28 ` Anshuman Khandual 2019-04-18 5:28 ` Anshuman Khandual 2019-04-23 7:31 ` Anshuman Khandual 2019-04-23 7:31 ` Anshuman Khandual 2019-04-23 7:37 ` David Hildenbrand 2019-04-23 7:37 ` David Hildenbrand 2019-04-23 7:45 ` Anshuman Khandual 2019-04-23 7:45 ` Anshuman Khandual 2019-04-23 7:51 ` David Hildenbrand 2019-04-23 7:51 ` David Hildenbrand 2019-04-23 8:37 ` Anshuman Khandual 2019-04-23 8:37 ` Anshuman Khandual 2019-04-23 16:05 ` Mark Rutland 2019-04-23 16:05 ` Mark Rutland 2019-04-24 5:59 ` Anshuman Khandual 2019-04-24 5:59 ` Anshuman Khandual 2019-04-24 8:19 ` Mark Rutland 2019-04-24 8:19 ` Mark Rutland 2019-04-15 13:55 ` David Hildenbrand 2019-04-15 13:55 ` David Hildenbrand 2019-04-16 9:52 ` Anshuman Khandual 2019-04-16 9:52 ` Anshuman Khandual 2019-05-13 8:22 ` [PATCH V2 0/2] " David Hildenbrand 2019-05-13 8:22 ` David Hildenbrand 2019-05-13 8:37 ` Anshuman Khandual 2019-05-13 8:37 ` Anshuman Khandual 2019-05-13 10:01 ` David Hildenbrand [this message] 2019-05-13 10:01 ` David Hildenbrand
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