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| author | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 18:51:21 +0200 |
|---|---|---|
| committer | codeworkx <codeworkx@cyanogenmod.com> | 2012-09-18 19:02:23 +0200 |
| commit | f991bd2a427ec6a5e049e19745aba6a5d7f006c4 (patch) | |
| tree | c6f0d428403c32c95335c34b3f0105c2e4c8087d /fs/proc/task_mmu.c | |
| parent | c28265764ec6ad9995eb0c761a376ffc9f141fcd (diff) | |
| parent | bea37381fd9a34c6660e5195d31beea86aa3dda3 (diff) | |
| download | kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.zip kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.gz kernel_samsung_smdk4412-f991bd2a427ec6a5e049e19745aba6a5d7f006c4.tar.bz2 | |
Merge linux-3.0.31 from korg into jellybean
Conflicts:
arch/arm/mm/proc-v7.S
drivers/base/core.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_lvds.c
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/r100.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/rs600.c
drivers/usb/core/hub.c
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci.c
drivers/usb/serial/qcserial.c
fs/proc/base.c
Change-Id: Ia98b35db3f8c0bfd95817867d3acb85be8e5e772
Diffstat (limited to 'fs/proc/task_mmu.c')
| -rw-r--r-- | fs/proc/task_mmu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index c7d4ee6..55a1f49 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -407,6 +407,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, } else { spin_unlock(&walk->mm->page_table_lock); } + + if (pmd_trans_unstable(pmd)) + return 0; /* * The mmap_sem held all the way back in m_start() is what * keeps khugepaged out of here and from collapsing things @@ -505,6 +508,8 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr, struct page *page; split_huge_page_pmd(walk->mm, pmd); + if (pmd_trans_unstable(pmd)) + return 0; pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); for (; addr != end; pte++, addr += PAGE_SIZE) { @@ -516,6 +521,9 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr, if (!page) continue; + if (PageReserved(page)) + continue; + /* Clear accessed and referenced bits. */ ptep_test_and_clear_young(vma, addr, pte); ClearPageReferenced(page); @@ -665,6 +673,8 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, int err = 0; split_huge_page_pmd(walk->mm, pmd); + if (pmd_trans_unstable(pmd)) + return 0; /* find the first VMA at or above 'addr' */ vma = find_vma(walk->mm, addr); @@ -956,6 +966,8 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr, spin_unlock(&walk->mm->page_table_lock); } + if (pmd_trans_unstable(pmd)) + return 0; orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); do { struct page *page = can_gather_numa_stats(*pte, md->vma, addr); |