diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-10 09:13:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-10 09:13:02 -0700 |
| commit | 617a8d6bc19edd075e8111c6770f79cae75be51f (patch) | |
| tree | d443d45f20a3b591e692f27e22699a139e18bf27 | |
| parent | ee40fb2948fc99096836995d4f3ddcc0efbac790 (diff) | |
| parent | 88d02a2ba6c52350f9a73ff1b01a5be839c3ca17 (diff) | |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fix from Ralf Baechle:
"Another week with just a single 4.7 fix.
This fixes a possible 'loss' of the huge page bit from pmd on
permission change"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Fix page table corruption on THP permission changes.
| -rw-r--r-- | arch/mips/include/asm/pgtable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index f53816744d60..7d44e888134f 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -633,7 +633,7 @@ static inline struct page *pmd_page(pmd_t pmd) static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) { - pmd_val(pmd) = (pmd_val(pmd) & _PAGE_CHG_MASK) | + pmd_val(pmd) = (pmd_val(pmd) & (_PAGE_CHG_MASK | _PAGE_HUGE)) | (pgprot_val(newprot) & ~_PAGE_CHG_MASK); return pmd; } |