diff options
| author | Will Deacon <will.deacon@arm.com> | 2018-12-28 00:37:42 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-12-28 12:11:50 -0800 |
| commit | 9c006972c3fedbea43fde9667686e5949eba9981 (patch) | |
| tree | ef378d4ffae578d3fb0821e7fe118a979bad099f | |
| parent | d239865ac804c91a621294ca7bece4241b006fae (diff) | |
| download | linux-9c006972c3fedbea43fde9667686e5949eba9981.tar.bz2 | |
arm64: mmu: drop pXd_present() 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/1544120495-17438-3-git-send-email-will.deacon@arm.com
Signed-off-by: Will Deacon <will.deacon@arm.com>
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: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
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>
| -rw-r--r-- | arch/arm64/mm/mmu.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index da513a1facf4..13b80361d9f5 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -1003,10 +1003,8 @@ 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; } @@ -1026,10 +1024,8 @@ 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; } |