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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.
This commit is contained in:
Linus Torvalds 2016-07-10 09:13:02 -07:00
parent ee40fb2948 88d02a2ba6
commit 617a8d6bc1
1 changed files with 1 additions and 1 deletions
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2
arch/mips/include/asm/pgtable.h
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@ -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;
}