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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-20 17:02:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-20 17:02:14 -0800 |
| commit | 8d99641f6c1af806cd5d9e6badce91910219a161 (patch) | |
| tree | ee841f807005a4a6234f6f502a13185d13a34870 /mm/huge_memory.c | |
| parent | fc887b15d935ead2a00aef5779a18034e7c69ee1 (diff) | |
| parent | 225c8e010f2d17a62aef131e24c6e7c111f36f9b (diff) | |
| download | kernel_samsung_crespo-8d99641f6c1af806cd5d9e6badce91910219a161.zip kernel_samsung_crespo-8d99641f6c1af806cd5d9e6badce91910219a161.tar.gz kernel_samsung_crespo-8d99641f6c1af806cd5d9e6badce91910219a161.tar.bz2 | |
Merge branch 'akpm'
* akpm:
kernel/smp.c: consolidate writes in smp_call_function_interrupt()
kernel/smp.c: fix smp_call_function_many() SMP race
memcg: correctly order reading PCG_USED and pc->mem_cgroup
backlight: fix 88pm860x_bl macro collision
drivers/leds/ledtrig-gpio.c: make output match input, tighten input checking
MAINTAINERS: update Atmel AT91 entry
mm: fix truncate_setsize() comment
memcg: fix rmdir, force_empty with THP
memcg: fix LRU accounting with THP
memcg: fix USED bit handling at uncharge in THP
memcg: modify accounting function for supporting THP better
fs/direct-io.c: don't try to allocate more than BIO_MAX_PAGES in a bio
mm: compaction: prevent division-by-zero during user-requested compaction
mm/vmscan.c: remove duplicate include of compaction.h
memblock: fix memblock_is_region_memory()
thp: keep highpte mapped until it is no longer needed
kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 004c9c2..e187454 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1203,6 +1203,8 @@ static void __split_huge_page_refcount(struct page *page) BUG_ON(!PageDirty(page_tail)); BUG_ON(!PageSwapBacked(page_tail)); + mem_cgroup_split_huge_fixup(page, page_tail); + lru_add_page_tail(zone, page, page_tail); } @@ -1837,9 +1839,9 @@ static void collapse_huge_page(struct mm_struct *mm, spin_lock(ptl); isolated = __collapse_huge_page_isolate(vma, address, pte); spin_unlock(ptl); - pte_unmap(pte); if (unlikely(!isolated)) { + pte_unmap(pte); spin_lock(&mm->page_table_lock); BUG_ON(!pmd_none(*pmd)); set_pmd_at(mm, address, pmd, _pmd); @@ -1856,6 +1858,7 @@ static void collapse_huge_page(struct mm_struct *mm, anon_vma_unlock(vma->anon_vma); __collapse_huge_page_copy(pte, new_page, vma, address, ptl); + pte_unmap(pte); __SetPageUptodate(new_page); pgtable = pmd_pgtable(_pmd); VM_BUG_ON(page_count(pgtable) != 1); |