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| author |   Michael Ellerman <mpe@ellerman.id.au> | 2016-04-29 23:25:29 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-01 18:32:19 +1000 |
| commit | ee3caed37d763ab28f8ac55563f38fb7530c6252 (patch) | |
| tree | 61ed790bc3dbbb5ac39c6f95aace931b5712caf3 /arch/powerpc/include/asm/book3s/64/hash-64k.h | |
| parent | powerpc/mm: Use big endian Linux page tables for book3s 64 (diff) | |
| download | linux-dev-ee3caed37d763ab28f8ac55563f38fb7530c6252.tar.xz linux-dev-ee3caed37d763ab28f8ac55563f38fb7530c6252.zip | |
powerpc/mm: Use pte_raw() in pte_same()/pmd_same()
We can avoid doing endian conversions by using pte_raw() in pxx_same().
The swap of the constant (_PAGE_HPTEFLAGS) should be done at compile
time by the compiler.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-64k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-64k.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index 0a7956a80a08..f4949f117057 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -272,7 +272,7 @@ static inline pmd_t pmd_mknotpresent(pmd_t pmd) #define __HAVE_ARCH_PMD_SAME static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) { - return (((pmd_val(pmd_a) ^ pmd_val(pmd_b)) & ~_PAGE_HPTEFLAGS) == 0); + return (((pmd_raw(pmd_a) ^ pmd_raw(pmd_b)) & ~cpu_to_be64(_PAGE_HPTEFLAGS)) == 0); } static inline int __pmdp_test_and_clear_young(struct mm_struct *mm, |