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| author | Linus Walleij <linus.walleij@linaro.org> | 2013-10-19 23:24:03 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-10-19 23:24:03 +0200 |
| commit | b41fb43911b4cb864812adec88d028cc6219f23e (patch) | |
| tree | f383de554dc3640ec3081ad41fa34f7cab68de82 /mm/mprotect.c | |
| parent | 0963d59bc0bbed48b06733950f5eb167e9b9a8fa (diff) | |
| parent | 31d141e3a666269a3b6fcccddb0351caf7454240 (diff) | |
| download | linux-stable-b41fb43911b4cb864812adec88d028cc6219f23e.tar.gz | |
Merge tag 'v3.12-rc6' into devel
Linux 3.12-rc6
Conflicts:
drivers/gpio/gpio-lynxpoint.c
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 94722a4d6b43..a3af058f68e4 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -94,13 +94,16 @@ static unsigned long change_pte_range(struct vm_area_struct *vma, pmd_t *pmd, swp_entry_t entry = pte_to_swp_entry(oldpte); if (is_write_migration_entry(entry)) { + pte_t newpte; /* * A protection check is difficult so * just be safe and disable write */ make_migration_entry_read(&entry); - set_pte_at(mm, addr, pte, - swp_entry_to_pte(entry)); + newpte = swp_entry_to_pte(entry); + if (pte_swp_soft_dirty(oldpte)) + newpte = pte_swp_mksoft_dirty(newpte); + set_pte_at(mm, addr, pte, newpte); } pages++; } |