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| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2017-03-16 18:26:49 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-18 09:48:01 +0100 |
| commit | 9a804fecee232e71b47ac37d62fd3d5d66b08b91 (patch) | |
| tree | c4af2fbda421d6bd1b6f5f6599d6cccd32548bb4 /arch/um | |
| parent | f991376e444aee8f5643a45703c1433bf7948940 (diff) | |
| download | linux-9a804fecee232e71b47ac37d62fd3d5d66b08b91.tar.bz2 | |
mm/gup: Drop the arch_pte_access_permitted() MMU callback
The only arch that defines it to something meaningful is x86.
But x86 doesn't use the generic GUP_fast() implementation -- the
only place where the callback is called.
Let's drop it.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Aneesh Kumar K . V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dann Frazier <dann.frazier@canonical.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Steve Capper <steve.capper@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arch@vger.kernel.org
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20170316152655.37789-2-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/asm/mmu_context.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h index 94ac2739918c..b668e351fd6c 100644 --- a/arch/um/include/asm/mmu_context.h +++ b/arch/um/include/asm/mmu_context.h @@ -37,12 +37,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, return true; } -static inline bool arch_pte_access_permitted(pte_t pte, bool write) -{ - /* by default, allow everything */ - return true; -} - /* * end asm-generic/mm_hooks.h functions */ |