提交 617a8d6b 编写于 作者: L Linus Torvalds

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.
...@@ -633,7 +633,7 @@ static inline struct page *pmd_page(pmd_t pmd) ...@@ -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) 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); (pgprot_val(newprot) & ~_PAGE_CHG_MASK);
return pmd; return pmd;
} }
......
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