Messages in this thread Patch in this message | | | From | Bibo Mao <> | Subject | [PATCH] MIPS: Do not flush tlb when setting pmd entry | Date | Wed, 3 Jun 2020 17:42:13 +0800 |
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Function set_pmd_at is to set pmd entry, if tlb entry need to be flushed, there exists pmdp_huge_clear_flush alike function before set_pmd_at is called. So it is not necessary to call flush_tlb_all in this function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> --- arch/mips/mm/pgtable-64.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/mips/mm/pgtable-64.c b/arch/mips/mm/pgtable-64.c index 6fd6e96..a236752 100644 --- a/arch/mips/mm/pgtable-64.c +++ b/arch/mips/mm/pgtable-64.c @@ -101,7 +101,6 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd) { *pmdp = pmd; - flush_tlb_all(); } void __init pagetable_init(void) -- 1.8.3.1
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