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| author |   Will Deacon <will.deacon@arm.com> | 2018-12-28 00:37:45 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 12:11:50 -0800 |
| commit | 48e178ab0d630b8b60deca64b22b22e68818777e (patch) | |
| tree | 11569de76f69ed17e53f8a2a73e20ff5c8b45fad /arch/x86/mm | |
| parent | arm64: mmu: drop pXd_present() checks from pXd_free_pYd_table() (diff) | |
| download | linux-dev-48e178ab0d630b8b60deca64b22b22e68818777e.tar.xz linux-dev-48e178ab0d630b8b60deca64b22b22e68818777e.zip | |
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 <will.deacon@arm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Chintan Pandya <cpandya@codeaurora.org>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/pgtable.c | 6 |
1 files changed, 0 insertions, 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); |