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| author | Johannes Weiner <hannes@cmpxchg.org> | 2011-01-13 15:47:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:44 -0800 |
| commit | f2d6bfe9ff0acec30b713614260e78b03d20e909 (patch) | |
| tree | 835dd9f4167513d94ae542cf92347ea98bff5ddc /arch/x86/mm | |
| parent | 5f24ce5fd34c3ca1b3d10d30da754732da64d5c0 (diff) | |
| download | op-kernel-dev-f2d6bfe9ff0acec30b713614260e78b03d20e909.zip op-kernel-dev-f2d6bfe9ff0acec30b713614260e78b03d20e909.tar.gz | |
thp: add x86 32bit support
Add support for transparent hugepages to x86 32bit.
Share the same VM_ bitflag for VM_MAPPED_COPY. mm/nommu.c will never
support transparent hugepages.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 65e92d5..500242d 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -362,7 +362,7 @@ int pmdp_test_and_clear_young(struct vm_area_struct *vma, if (pmd_young(*pmdp)) ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, - (unsigned long *) &pmdp->pmd); + (unsigned long *)pmdp); if (ret) pmd_update(vma->vm_mm, addr, pmdp); @@ -404,7 +404,7 @@ void pmdp_splitting_flush(struct vm_area_struct *vma, int set; VM_BUG_ON(address & ~HPAGE_PMD_MASK); set = !test_and_set_bit(_PAGE_BIT_SPLITTING, - (unsigned long *)&pmdp->pmd); + (unsigned long *)pmdp); if (set) { pmd_update(vma->vm_mm, address, pmdp); /* need tlb flush only to serialize against gup-fast */ |
