Messages in this thread Patch in this message | | | From | Will Deacon <> | Subject | [PATCH 2/5] arm64: mmu: Drop pXd_present() checks from pXd_free_pYd_table() | Date | Wed, 12 Sep 2018 11:26:11 +0100 |
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Now that the core code checks this for us, we don't need to do it in the backend.
Cc: Chintan Pandya <cpandya@codeaurora.org> Cc: Toshi Kani <toshi.kani@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Michal Hocko <mhocko@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Will Deacon <will.deacon@arm.com> --- arch/arm64/mm/mmu.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 8080c9f489c3..0dcb3354d6dd 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -985,10 +985,8 @@ int pmd_free_pte_page(pmd_t *pmdp, unsigned long addr) pmd = READ_ONCE(*pmdp); - if (!pmd_present(pmd)) - return 1; if (!pmd_table(pmd)) { - VM_WARN_ON(!pmd_table(pmd)); + VM_WARN_ON(1); return 1; } @@ -1008,10 +1006,8 @@ int pud_free_pmd_page(pud_t *pudp, unsigned long addr) pud = READ_ONCE(*pudp); - if (!pud_present(pud)) - return 1; if (!pud_table(pud)) { - VM_WARN_ON(!pud_table(pud)); + VM_WARN_ON(1); return 1; } -- 2.1.4
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