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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-22 09:32:38 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-22 09:32:38 +0400 |
| commit | a5d6e63323fe7799eb0e6fd0a41fbfad10fca258 (patch) | |
| tree | ca52285fc4ac7fa25a8e1621782a5a51130ac08b /Documentation | |
| parent | 78dc53c422172a317adb0776dfb687057ffa28b7 (diff) | |
| parent | 7aa555bf26763b86332c7a3689701c999834b87a (diff) | |
| download | linux-a5d6e63323fe7799eb0e6fd0a41fbfad10fca258.tar.xz | |
Merge branch 'akpm' (fixes from Andrew)
Merge patches from Andrew Morton:
"13 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: place page->pmd_huge_pte to right union
MAINTAINERS: add keyboard driver to Hyper-V file list
x86, mm: do not leak page->ptl for pmd page tables
ipc,shm: correct error return value in shmctl (SHM_UNLOCK)
mm, mempolicy: silence gcc warning
block/partitions/efi.c: fix bound check
ARM: drivers/rtc/rtc-at91rm9200.c: disable interrupts at shutdown
mm: hugetlbfs: fix hugetlbfs optimization
kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS cleanly
ipc,shm: fix shm_file deletion races
mm: thp: give transparent hugepage code a separate copy_page
checkpatch: fix "Use of uninitialized value" warnings
configfs: fix race between dentry put and lookup
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/vm/split_page_table_lock | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/vm/split_page_table_lock b/Documentation/vm/split_page_table_lock index 7521d367f21d..6dea4fd5c961 100644 --- a/Documentation/vm/split_page_table_lock +++ b/Documentation/vm/split_page_table_lock @@ -63,9 +63,9 @@ levels. PMD split lock enabling requires pgtable_pmd_page_ctor() call on PMD table allocation and pgtable_pmd_page_dtor() on freeing. -Allocation usually happens in pmd_alloc_one(), freeing in pmd_free(), but -make sure you cover all PMD table allocation / freeing paths: i.e X86_PAE -preallocate few PMDs on pgd_alloc(). +Allocation usually happens in pmd_alloc_one(), freeing in pmd_free() and +pmd_free_tlb(), but make sure you cover all PMD table allocation / freeing +paths: i.e X86_PAE preallocate few PMDs on pgd_alloc(). With everything in place you can set CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK. |