Transparent Hugepage Support #26

From: Andrea Arcangeli
Date: Wed Jun 16 2010 - 13:47:03 EST

http://git.kernel.org/?p=linux/kernel/git/andrea/aa.git;a=shortlog

first: git clone git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git
or first: git clone --reference linux-2.6 git://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git
later: git fetch; git checkout -f origin/master

The tree is rebased and git pull won't work.

http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.6/2.6.35-rc3/transparent_hugepage-26/
http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.6/2.6.35-rc3/transparent_hugepage-26.gz

Diff #25 -> #26:

b/compound_mapping | 20

Clearing mapping on tail pages is wrong, fixed.

b/exec-migrate-race-anon_vma-chain | 96 +

Allow rmap to run at all times also during initial execve.

b/memcg_compound | 105 -

memcg THP fixes from Daisuke Nishimura.

b/memcg_compound_tail | 120 +

More memcg THP fixes from Daisuke Nishimura.

b/net-regress | 72 +

backout to avoid net regression.

b/remove-lumpy_reclaim | 103 +

Removed the new lumpy reclaim changes too.

b/root_anon_vma-anon_vma_lock | 29
b/root_anon_vma-avoid-ksm-hang | 30
b/root_anon_vma-bugchecks | 37
b/root_anon_vma-in_vma | 27
b/root_anon_vma-ksm_refcount | 20
b/root_anon_vma-lock_root | 49
b/root_anon_vma-memory-compaction | 36
b/root_anon_vma-oldest_root | 17
b/root_anon_vma-refcount | 29
b/root_anon_vma-use-root | 66
b/root_anon_vma-vma_lock_anon_vma | 17

anon vma fixes for migrate and THP.

Removed (old-anon-vma branch not needed anymore after the
root_anon_vma-avoid-ksm-hang fix and memory compaction and mincore
cleanups in mainline).

backout-anon_vma-chain | 1137 -----------------
exec-migrate-race | 144 --
khugepaged-old-anon_vma | 39
khugepaged-vma-merge-anon_vma | 52
memory-compaction-anon-migrate | 49
memory-compaction-anon-migrate-anon-vma-chain | 49
memory-compaction-anon-vma-refcount | 126 -
memory-compaction-anon-vma-refcount-anon-vma-chain | 191 --
memory-compaction-anon-vma-share-refcount | 159 --
memory-compaction-config-migration-without-config-numa | 54
memory-compaction-core | 552 --------
memory-compaction-direct | 360 -----
memory-compaction-exponential-backoff | 131 -
memory-compaction-extfrag_index | 132 -
memory-compaction-extfrag_threshold | 128 -
memory-compaction-lru-header | 42
memory-compaction-migrate-swapcache | 107 -
memory-compaction-migrate-swapcache-anon-vma-chain | 107 -
memory-compaction-migrate_prep | 77 -
memory-compaction-proc-node-trigger | 99 -
memory-compaction-proc-trigger | 160 --
memory-compaction-unusable_index | 191 --
mincore-break-do_mincore-into-logical-pieces | 239 ---
mincore-cleanups | 174 --
mincore-do-nested-page-table-walks | 116 -
mincore-pass-ranges-as-startend-address-pairs | 161 --
split_huge_page-anon_vma-order | 59
split_huge_page-old-anon-vma | 77 -
transparent_hugepage_vmstat | 129 -
78 files changed, 851 insertions(+), 5353 deletions(-)

Full diff:

Documentation/vm/transhuge.txt | 283 ++++
arch/alpha/include/asm/mman.h | 2
arch/mips/include/asm/mman.h | 2
arch/parisc/include/asm/mman.h | 2
arch/powerpc/mm/gup.c | 12
arch/x86/include/asm/paravirt.h | 23
arch/x86/include/asm/paravirt_types.h | 6
arch/x86/include/asm/pgtable-2level.h | 9
arch/x86/include/asm/pgtable-3level.h | 23
arch/x86/include/asm/pgtable.h | 144 ++
arch/x86/include/asm/pgtable_64.h | 14
arch/x86/include/asm/pgtable_types.h | 3
arch/x86/kernel/paravirt.c | 3
arch/x86/kernel/vm86_32.c | 1
arch/x86/kvm/mmu.c | 26
arch/x86/kvm/paging_tmpl.h | 4
arch/x86/mm/gup.c | 25
arch/x86/mm/pgtable.c | 66 +
arch/xtensa/include/asm/mman.h | 2
fs/Kconfig | 2
fs/exec.c | 44
fs/proc/meminfo.c | 14
fs/proc/page.c | 14
include/asm-generic/mman-common.h | 2
include/asm-generic/pgtable.h | 130 ++
include/linux/gfp.h | 14
include/linux/huge_mm.h | 143 ++
include/linux/khugepaged.h | 66 +
include/linux/ksm.h | 2
include/linux/kvm_host.h | 4
include/linux/memory_hotplug.h | 14
include/linux/mm.h | 94 +
include/linux/mm_inline.h | 13
include/linux/mm_types.h | 3
include/linux/mmu_notifier.h | 40
include/linux/mmzone.h | 1
include/linux/page-flags.h | 36
include/linux/rmap.h | 31
include/linux/sched.h | 1
include/linux/swap.h | 2
kernel/fork.c | 12
kernel/futex.c | 67 -
mm/Kconfig | 38
mm/Makefile | 1
mm/compaction.c | 15
mm/huge_memory.c | 2172 ++++++++++++++++++++++++++++++++++
mm/hugetlb.c | 69 -
mm/ksm.c | 77 -
mm/madvise.c | 8
mm/memcontrol.c | 134 +-
mm/memory-failure.c | 2
mm/memory.c | 196 ++-
mm/memory_hotplug.c | 14
mm/mempolicy.c | 14
mm/migrate.c | 22
mm/mincore.c | 7
mm/mmap.c | 57
mm/mprotect.c | 20
mm/mremap.c | 8
mm/page_alloc.c | 31
mm/pagewalk.c | 1
mm/rmap.c | 215 ++-
mm/sparse.c | 4
mm/swap.c | 116 +
mm/swap_state.c | 6
mm/swapfile.c | 2
mm/vmscan.c | 54
mm/vmstat.c | 3
net/core/dev.c | 17
virt/kvm/iommu.c | 2
virt/kvm/kvm_main.c | 39
71 files changed, 4277 insertions(+), 466 deletions(-)
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