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| author |   Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
| commit | e24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch) | |
| tree | c219c2ec183633aa15841fca5b055a09d2d0b980 /mm/pgtable-generic.c | |
| parent | ARM: OMAP2+: Release device node after it is no longer needed. (diff) | |
| parent | Linux 4.11-rc1 (diff) | |
| download | wireguard-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.tar.xz wireguard-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.zip | |
Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index 71c5f9109f2a..4ed5908c65b0 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -123,6 +123,20 @@ pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma, unsigned long address, flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE); return pmd; } + +#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD +pud_t pudp_huge_clear_flush(struct vm_area_struct *vma, unsigned long address, + pud_t *pudp) +{ + pud_t pud; + + VM_BUG_ON(address & ~HPAGE_PUD_MASK); + VM_BUG_ON(!pud_trans_huge(*pudp) && !pud_devmap(*pudp)); + pud = pudp_huge_get_and_clear(vma->vm_mm, address, pudp); + flush_pud_tlb_range(vma, address, address + HPAGE_PUD_SIZE); + return pud; +} +#endif #endif #ifndef __HAVE_ARCH_PGTABLE_DEPOSIT |