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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2017-03-16 18:26:49 +0300
committerIngo Molnar <mingo@kernel.org>2017-03-18 09:48:01 +0100
commit9a804fecee232e71b47ac37d62fd3d5d66b08b91 (patch)
treec4af2fbda421d6bd1b6f5f6599d6cccd32548bb4 /include/asm-generic/mm_hooks.h
parentf991376e444aee8f5643a45703c1433bf7948940 (diff)
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 'include/asm-generic/mm_hooks.h')
-rw-r--r--include/asm-generic/mm_hooks.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/asm-generic/mm_hooks.h b/include/asm-generic/mm_hooks.h
index cc5d9a1405df..41e5b6784b97 100644
--- a/include/asm-generic/mm_hooks.h
+++ b/include/asm-generic/mm_hooks.h
@@ -32,10 +32,4 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
/* by default, allow everything */
return true;
}
-
-static inline bool arch_pte_access_permitted(pte_t pte, bool write)
-{
- /* by default, allow everything */
- return true;
-}
#endif /* _ASM_GENERIC_MM_HOOKS_H */