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| author | David S. Miller <davem@davemloft.net> | 2010-02-16 22:09:29 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-16 22:09:29 -0800 |
| commit | 2bb4646fce8d09916b351d1a62f98db7cec6fc41 (patch) | |
| tree | c1f0d002e69868606eca9d1b919835f422892063 /arch/powerpc/mm/tlb_hash64.c | |
| parent | 6836b9bdd98e3b500cd49512484df68f46e14659 (diff) | |
| parent | b0483e78e5c4c9871fc5541875b3bc006846d46b (diff) | |
| download | linux-2bb4646fce8d09916b351d1a62f98db7cec6fc41.tar.gz linux-2bb4646fce8d09916b351d1a62f98db7cec6fc41.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/powerpc/mm/tlb_hash64.c')
| -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)) { |