From: Andrew Morton <akpm@linux-foundation.org>
To: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com,
christophe.leroy@csgroup.eu, hughd@google.com,
joel@joelfernandes.org, kaleshsingh@google.com,
kirill.shutemov@linux.intel.com, kirill@shutemov.name,
linux-mm@kvack.org, mm-commits@vger.kernel.org,
mpe@ellerman.id.au, npiggin@gmail.com, sfr@canb.auug.org.au,
torvalds@linux-foundation.org
Subject: [patch 54/54] powerpc/mm: enable HAVE_MOVE_PMD support
Date: Wed, 07 Jul 2021 18:10:24 -0700 [thread overview]
Message-ID: <20210708011024.rg8-DdslN%akpm@linux-foundation.org> (raw)
In-Reply-To: <20210707175950.eceddb86c6c555555d4730e2@linux-foundation.org>
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: powerpc/mm: enable HAVE_MOVE_PMD support
mremap HAVE_MOVE_PMD/PUD optimization time comparison for 1GB region:
1GB mremap - Source PTE-aligned, Destination PTE-aligned
mremap time: 2292772ns
1GB mremap - Source PMD-aligned, Destination PMD-aligned
mremap time: 1158928ns
1GB mremap - Source PUD-aligned, Destination PUD-aligned
mremap time: 63886ns
Link: https://lkml.kernel.org/r/20210616045735.374532-4-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Hugh Dickins <hughd@google.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/powerpc/platforms/Kconfig.cputype | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/powerpc/platforms/Kconfig.cputype~powerpc-mm-enable-have_move_pmd-support
+++ a/arch/powerpc/platforms/Kconfig.cputype
@@ -102,6 +102,8 @@ config PPC_BOOK3S_64
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_SUPPORTS_HUGETLBFS
select ARCH_SUPPORTS_NUMA_BALANCING
+ select HAVE_MOVE_PMD
+ select HAVE_MOVE_PUD
select IRQ_WORK
select PPC_MM_SLICES
select PPC_HAVE_KUEP
_
prev parent reply other threads:[~2021-07-08 1:10 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-08 0:59 incoming Andrew Morton
2021-07-08 1:07 ` [patch 01/54] lib/test: fix spelling mistakes Andrew Morton
2021-07-08 1:07 ` [patch 02/54] lib: " Andrew Morton
2021-07-08 1:07 ` [patch 03/54] lib: fix spelling mistakes in header files Andrew Morton
2021-07-08 1:07 ` [patch 04/54] hexagon: handle {,SOFT}IRQENTRY_TEXT in linker script Andrew Morton
2021-07-08 1:07 ` [patch 05/54] hexagon: use common DISCARDS macro Andrew Morton
2021-07-08 1:07 ` [patch 06/54] hexagon: select ARCH_WANT_LD_ORPHAN_WARN Andrew Morton
2021-07-08 1:07 ` [patch 07/54] mm/slub: use stackdepot to save stack trace in objects Andrew Morton
2021-07-16 7:39 ` Christoph Hellwig
2021-07-16 8:57 ` Vlastimil Babka
2021-07-16 9:12 ` Christoph Hellwig
2021-07-16 20:12 ` Linus Torvalds
2021-07-16 22:37 ` Vlastimil Babka
2021-07-17 17:34 ` Randy Dunlap
2021-07-18 7:29 ` Vlastimil Babka
2021-07-18 14:17 ` Randy Dunlap
2021-07-08 1:07 ` [patch 08/54] mmap: make mlock_future_check() global Andrew Morton
2021-07-08 1:07 ` [patch 09/54] riscv/Kconfig: make direct map manipulation options depend on MMU Andrew Morton
2021-07-08 1:07 ` [patch 10/54] set_memory: allow querying whether set_direct_map_*() is actually enabled Andrew Morton
2021-07-08 1:08 ` [patch 11/54] mm: introduce memfd_secret system call to create "secret" memory areas Andrew Morton
2021-07-08 3:13 ` Linus Torvalds
2021-07-08 5:21 ` Mike Rapoport
2021-07-08 18:38 ` Linus Torvalds
2021-07-08 20:13 ` Hagen Paul Pfeifer
2021-07-09 15:44 ` Mike Rapoport
2021-07-08 1:08 ` [patch 12/54] PM: hibernate: disable when there are active secretmem users Andrew Morton
2021-07-08 3:15 ` Linus Torvalds
2021-07-08 5:30 ` Mike Rapoport
2021-07-08 1:08 ` [patch 13/54] arch, mm: wire up memfd_secret system call where relevant Andrew Morton
2021-07-08 1:08 ` [patch 14/54] secretmem: test: add basic selftest for memfd_secret(2) Andrew Morton
2021-07-08 1:08 ` [patch 15/54] mm: fix spelling mistakes in header files Andrew Morton
2021-07-08 1:08 ` [patch 16/54] mm: add setup_initial_init_mm() helper Andrew Morton
2021-07-08 1:08 ` [patch 17/54] arc: convert to setup_initial_init_mm() Andrew Morton
2021-07-08 1:08 ` [patch 18/54] arm: " Andrew Morton
2021-07-08 1:08 ` [patch 19/54] arm64: " Andrew Morton
2021-07-08 1:08 ` [patch 20/54] csky: " Andrew Morton
2021-07-08 1:08 ` [patch 21/54] h8300: " Andrew Morton
2021-07-08 1:08 ` [patch 22/54] m68k: " Andrew Morton
2021-07-08 1:08 ` [patch 23/54] nds32: " Andrew Morton
2021-07-08 1:08 ` [patch 24/54] nios2: " Andrew Morton
2021-07-08 1:08 ` [patch 25/54] openrisc: " Andrew Morton
2021-07-08 1:08 ` [patch 26/54] powerpc: " Andrew Morton
2021-07-08 4:46 ` Christophe Leroy
2021-07-08 1:08 ` [patch 27/54] riscv: " Andrew Morton
2021-07-08 1:08 ` [patch 28/54] s390: " Andrew Morton
2021-07-08 1:09 ` [patch 29/54] sh: " Andrew Morton
2021-07-08 1:09 ` [patch 30/54] x86: " Andrew Morton
2021-07-08 1:09 ` [patch 31/54] buildid: only consider GNU notes for build ID parsing Andrew Morton
2021-07-08 1:09 ` [patch 32/54] buildid: add API to parse build ID out of buffer Andrew Morton
2021-07-08 1:09 ` [patch 33/54] buildid: stash away kernels build ID on init Andrew Morton
2021-07-08 1:09 ` [patch 34/54] dump_stack: add vmlinux build ID to stack traces Andrew Morton
2021-07-08 1:09 ` [patch 35/54] module: add printk formats to add module build ID to stacktraces Andrew Morton
2021-07-08 1:09 ` [patch 36/54] arm64: stacktrace: use %pSb for backtrace printing Andrew Morton
2021-07-08 1:09 ` [patch 37/54] x86/dumpstack: use %pSb/%pBb " Andrew Morton
2021-07-08 1:09 ` [patch 38/54] scripts/decode_stacktrace.sh: support debuginfod Andrew Morton
2021-07-08 1:09 ` [patch 39/54] scripts/decode_stacktrace.sh: silence stderr messages from addr2line/nm Andrew Morton
2021-07-08 1:09 ` [patch 40/54] scripts/decode_stacktrace.sh: indicate 'auto' can be used for base path Andrew Morton
2021-07-08 1:09 ` [patch 41/54] buildid: mark some arguments const Andrew Morton
2021-07-08 1:09 ` [patch 42/54] buildid: fix kernel-doc notation Andrew Morton
2021-07-08 1:09 ` [patch 43/54] kdump: use vmlinux_build_id to simplify Andrew Morton
2021-07-08 1:09 ` [patch 44/54] mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t * Andrew Morton
2021-07-08 1:09 ` [patch 45/54] mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t * Andrew Morton
2021-07-08 1:09 ` [patch 46/54] selftest/mremap_test: update the test to handle pagesize other than 4K Andrew Morton
2021-07-08 1:10 ` [patch 47/54] selftest/mremap_test: avoid crash with static build Andrew Morton
2021-07-08 1:10 ` [patch 48/54] mm/mremap: convert huge PUD move to separate helper Andrew Morton
2021-07-08 1:10 ` [patch 49/54] mm/mremap: don't enable optimized PUD move if page table levels is 2 Andrew Morton
2021-07-08 1:10 ` [patch 50/54] mm/mremap: use pmd/pud_poplulate to update page table entries Andrew Morton
2021-07-08 1:10 ` [patch 51/54] mm/mremap: hold the rmap lock in write mode when moving " Andrew Morton
2021-07-08 1:10 ` [patch 52/54] mm/mremap: allow arch runtime override Andrew Morton
2021-07-08 1:10 ` [patch 53/54] powerpc/book3s64/mm: update flush_tlb_range to flush page walk cache Andrew Morton
2021-07-08 1:10 ` Andrew Morton [this message]
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