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authorIngo Molnar <mingo@elte.hu>2008-01-31 22:05:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-31 22:05:48 +0100
commit5aa0508508e7cd62bec6e3933b86fce03d2e8502 (patch)
tree575c16be2d09315f18dfba35df878f98b3d31440 /arch/x86/mm/pgtable_32.c
parent072b7a58ca534a667f9649ead1628dfb20087e4b (diff)
downloadop-kernel-dev-5aa0508508e7cd62bec6e3933b86fce03d2e8502.zip
op-kernel-dev-5aa0508508e7cd62bec6e3933b86fce03d2e8502.tar.gz
x86: uninline __pte_free_tlb() and __pmd_free_tlb()
this also removes an include file dependency. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pgtable_32.c')
-rw-r--r--arch/x86/mm/pgtable_32.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 2ae5999..cb3aa47 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -376,3 +376,26 @@ void check_pgt_cache(void)
{
quicklist_trim(0, pgd_dtor, 25, 16);
}
+
+void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte)
+{
+ paravirt_release_pt(page_to_pfn(pte));
+ tlb_remove_page(tlb, pte);
+}
+
+#ifdef CONFIG_X86_PAE
+
+void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
+{
+ /* This is called just after the pmd has been detached from
+ the pgd, which requires a full tlb flush to be recognized
+ by the CPU. Rather than incurring multiple tlb flushes
+ while the address space is being pulled down, make the tlb
+ gathering machinery do a full flush when we're done. */
+ tlb->fullmm = 1;
+
+ paravirt_release_pd(__pa(pmd) >> PAGE_SHIFT);
+ tlb_remove_page(tlb, virt_to_page(pmd));
+}
+
+#endif
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