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mm/pkeys, powerpc, x86: Provide an empty vma_pkey() in linux/pkeys.h

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Consolidate the pkey handling by providing a common empty definition
of vma_pkey() in pkeys.h when CONFIG_ARCH_HAS_PKEYS=n.

This also removes another entanglement of pkeys.h and
asm/mmu_context.h.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Ram Pai <linuxram@us.ibm.com>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
This commit is contained in:
Michael Ellerman
2018-04-11 23:41:42 +10:00
parent cd419a5131
commit dbec10e58d
3 changed files with 5 additions and 10 deletions
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5
arch/x86/include/asm/mmu_context.h
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@@ -296,11 +296,6 @@ static inline int vma_pkey(struct vm_area_struct *vma)
return (vma->vm_flags & vma_pkey_mask) >> VM_PKEY_SHIFT;
}
#else
static inline int vma_pkey(struct vm_area_struct *vma)
{
return 0;
}
#endif
/*