Commit 5639bc4a authored Nov 22, 2011 by Hillf Danton Committed by Ralf Baechle Dec 07, 2011

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 <dhillf@gmail.com>
Cc: linux-mips@linux-mips.org
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/2860/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent e84de0c6

arch/mips/include/asm/hugetlb.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)

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