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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-17 10:00:42 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-17 10:00:42 +1100 |
| commit | ec144a81ade915b5b38adedf10e84690813ed768 (patch) | |
| tree | c94b53c971ab2c39e27433267318b3c7bc86ff1b /arch/powerpc/mm | |
| parent | b919ee827e048826786fd7e889a2b04f63382fe6 (diff) | |
| parent | 88626272549b94310975932a9970d11a9b362a16 (diff) | |
| download | linux-ec144a81ade915b5b38adedf10e84690813ed768.tar.bz2 | |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/tlb_hash64.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 282d9306361f..1ec06576f619 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -63,15 +63,21 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, if (huge) { #ifdef CONFIG_HUGETLB_PAGE psize = get_slice_psize(mm, addr); + /* Mask the address for the correct page size */ + addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); #else BUG(); psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */ #endif - } else + } else { psize = pte_pagesize_index(mm, addr, pte); + /* Mask the address for the standard page size. If we + * have a 64k page kernel, but the hardware does not + * support 64k pages, this might be different from the + * hardware page size encoded in the slice table. */ + addr &= PAGE_MASK; + } - /* Mask the address for the correct page size */ - addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1); /* Build full vaddr */ if (!is_kernel_addr(addr)) { |