From 48e178ab0d630b8b60deca64b22b22e68818777e Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Fri, 28 Dec 2018 00:37:45 -0800 Subject: [PATCH] x86/pgtable: drop pXd_none() checks from pXd_free_pYd_table() The core code already has a check for pXd_none(), so remove it from the architecture implementation. Link: http://lkml.kernel.org/r/1544120495-17438-4-git-send-email-will.deacon@arm.com Signed-off-by: Will Deacon Acked-by: Thomas Gleixner Reviewed-by: Toshi Kani Cc: Chintan Pandya Cc: Toshi Kani Cc: Michal Hocko Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: Sean Christopherson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/x86/mm/pgtable.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 59274e2c1ac4..e95a7d6ac8f8 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -811,9 +811,6 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr) pte_t *pte; int i; - if (pud_none(*pud)) - return 1; - pmd = (pmd_t *)pud_page_vaddr(*pud); pmd_sv = (pmd_t *)__get_free_page(GFP_KERNEL); if (!pmd_sv) @@ -855,9 +852,6 @@ int pmd_free_pte_page(pmd_t *pmd, unsigned long addr) { pte_t *pte; - if (pmd_none(*pmd)) - return 1; - pte = (pte_t *)pmd_page_vaddr(*pmd); pmd_clear(pmd);