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mm: add pud_same similar to __HAVE_ARCH_P4D_SAME

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This helps architectures to override pmd_same and pud_same independently.

Link: https://lkml.kernel.org/r/20230724190759.483013-6-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Aneesh Kumar K.V 2023-07-25 00:37:51 +05:30 committed by Andrew Morton
parent 40135fc718
commit 973bf6800c
1 changed files with 3 additions and 0 deletions
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3
include/linux/pgtable.h
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@ -699,11 +699,14 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
{
return pmd_val(pmd_a) == pmd_val(pmd_b);
}
#endif
#ifndef pud_same
static inline int pud_same(pud_t pud_a, pud_t pud_b)
{
return pud_val(pud_a) == pud_val(pud_b);
}
#define pud_same pud_same
#endif
#ifndef __HAVE_ARCH_P4D_SAME