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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2015-12-01 04:36:50 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-12-14 05:19:12 +0100 |
| commit | c6a3c495f05a070d4c4016d4a51c384cba723971 (patch) | |
| tree | 6d80845b8ff67e57533312085de88c5fb67c16d2 /arch/powerpc/mm/hugetlbpage-hash64.c | |
| parent | powerpc/mm: Convert 4k insert from asm to C (diff) | |
| download | linux-c6a3c495f05a070d4c4016d4a51c384cba723971.tar.xz linux-c6a3c495f05a070d4c4016d4a51c384cba723971.zip | |
powerpc/mm: Add helper for converting pte bit to hpte bits
Instead of open coding it in multiple code paths, export the helper
and add more documentation. Also make sure we don't make assumption
regarding pte bit position
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage-hash64.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-hash64.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 7584e8445512..304c8520506e 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -59,10 +59,8 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, new_pte |= _PAGE_DIRTY; } while(old_pte != __cmpxchg_u64((unsigned long *)ptep, old_pte, new_pte)); + rflags = htab_convert_pte_flags(new_pte); - rflags = 0x2 | (!(new_pte & _PAGE_RW)); - /* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */ - rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N); sz = ((1UL) << shift); if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) /* No CPU has hugepages but lacks no execute, so we |