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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-29 14:14:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-05-29 14:14:43 -0700 |
| commit | a991639c26c7231ddb6de7f34899fb70832b7d04 (patch) | |
| tree | 28d6b404ae11b8e9979332a71e6cdbceea8b33c3 | |
| parent | f035b3d32256b93a4c39622afe6ac7ade8eedbea (diff) | |
| parent | ceb218359de22e70980801d4fa04fffbfc44adb8 (diff) | |
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon:
"Fix CoW regression for transparent hugepages by routing set_pmd_at to
set_pte_at, which correctly handles PTE_WRITE and will mark the
resulting table entry as read-only where appropriate"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: fix pmd_write CoW brokenness
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 90c811f05a2e..7b1c67a0b485 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -266,7 +266,7 @@ static inline pmd_t pte_pmd(pte_t pte) #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) -#define set_pmd_at(mm, addr, pmdp, pmd) set_pmd(pmdp, pmd) +#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd)) static inline int has_transparent_hugepage(void) { |