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authorPeter Zijlstra <peterz@infradead.org>2018-08-22 17:30:16 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 20:56:31 +0200
commit48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1 (patch)
tree4c83ec53b89bf5f05a6e65f7b332ac1ab4ef0983 /arch/x86/mm/pgtable.c
parentmm: mmu_notifier fix for tlb_end_vma (diff)
downloadlinux-48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1.tar.xz
linux-48a8b97cfd804a965fbbe7be2d56a7984ef6bdb1.zip
x86/mm: Only use tlb_remove_table() for paravirt
If we don't use paravirt; don't play unnecessary and complicated games to free page-tables. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Rik van Riel <riel@surriel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm/pgtable.c')
-rw-r--r--arch/x86/mm/pgtable.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 3ef095c70ae3..e848a4811785 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -63,7 +63,7 @@ void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
{
pgtable_page_dtor(pte);
paravirt_release_pte(page_to_pfn(pte));
- tlb_remove_table(tlb, pte);
+ paravirt_tlb_remove_table(tlb, pte);
}
#if CONFIG_PGTABLE_LEVELS > 2
@@ -79,21 +79,21 @@ void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
tlb->need_flush_all = 1;
#endif
pgtable_pmd_page_dtor(page);
- tlb_remove_table(tlb, page);
+ paravirt_tlb_remove_table(tlb, page);
}
#if CONFIG_PGTABLE_LEVELS > 3
void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
{
paravirt_release_pud(__pa(pud) >> PAGE_SHIFT);
- tlb_remove_table(tlb, virt_to_page(pud));
+ paravirt_tlb_remove_table(tlb, virt_to_page(pud));
}
#if CONFIG_PGTABLE_LEVELS > 4
void ___p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d)
{
paravirt_release_p4d(__pa(p4d) >> PAGE_SHIFT);
- tlb_remove_table(tlb, virt_to_page(p4d));
+ paravirt_tlb_remove_table(tlb, virt_to_page(p4d));
}
#endif /* CONFIG_PGTABLE_LEVELS > 4 */
#endif /* CONFIG_PGTABLE_LEVELS > 3 */