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| author |   Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-01-29 10:48:30 +0100 |
| commit | 617677295b53a40d0e54aac4cbbc216ffbc755dd (patch) | |
| tree | 51b9e87213243ed5efff252c8e8d8fec4eebc588 /mm/pgtable-generic.c | |
| parent | time: x86: report_lost_ticks doesn't exist any more (diff) | |
| parent | Merge tag 'regulator-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator (diff) | |
| download | linux-dev-617677295b53a40d0e54aac4cbbc216ffbc755dd.tar.xz linux-dev-617677295b53a40d0e54aac4cbbc216ffbc755dd.zip | |
Merge branch 'master' into for-next
Conflicts:
drivers/devfreq/exynos4_bus.c
Sync with Linus' tree to be able to apply patches that are
against newer code (mvneta).
Diffstat (limited to 'mm/pgtable-generic.c')
| -rw-r--r-- | mm/pgtable-generic.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c index e642627da6b7..0c8323fe6c8f 100644 --- a/mm/pgtable-generic.c +++ b/mm/pgtable-generic.c @@ -12,8 +12,8 @@ #ifndef __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS /* - * Only sets the access flags (dirty, accessed, and - * writable). Furthermore, we know it always gets set to a "more + * Only sets the access flags (dirty, accessed), as well as write + * permission. Furthermore, we know it always gets set to a "more * permissive" setting, which allows most architectures to optimize * this. We return whether the PTE actually changed, which in turn * instructs the caller to do things like update__mmu_cache. This @@ -27,7 +27,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma, int changed = !pte_same(*ptep, entry); if (changed) { set_pte_at(vma->vm_mm, address, ptep, entry); - flush_tlb_page(vma, address); + flush_tlb_fix_spurious_fault(vma, address); } return changed; } @@ -88,7 +88,8 @@ pte_t ptep_clear_flush(struct vm_area_struct *vma, unsigned long address, { pte_t pte; pte = ptep_get_and_clear((vma)->vm_mm, address, ptep); - flush_tlb_page(vma, address); + if (pte_accessible(pte)) + flush_tlb_page(vma, address); return pte; } #endif |