From: Hillf Danton Date: Tue, 22 Nov 2011 14:38:02 +0000 (+0000) Subject: MIPS: Hugetlb: Keep TLB cache hot while flushing X-Git-Tag: upstream/snapshot3+hdmi~8333^2^7~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5639bc4a64786c94eba3d2ba6a4ff4b290da1fb1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git MIPS: Hugetlb: Keep TLB cache hot while flushing If we only flush the TLB of the given huge page, the TLB cache remains hot for the relevant mm as it is, and less will be refilled after flush, huge or not. Signed-off-by: Hillf Danton Cc: linux-mips@linux-mips.org Acked-by: David Daney Patchwork: https://patchwork.linux-mips.org/patch/2860/ Signed-off-by: Ralf Baechle --- diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index c565b7c..58d3688 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -70,7 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { - flush_tlb_mm(vma->vm_mm); + flush_tlb_page(vma, addr & huge_page_mask(hstate_vma(vma))); } static inline int huge_pte_none(pte_t pte)