diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:22 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-02-25 09:40:26 +0100 |
commit | 996de8c6fe95c5a9fc524241cc8f142ef0605d3d (patch) | |
tree | 0f637ab0d80d6d7e213707ac2d8c1cc16b69523c /arch/powerpc/mm/tlb_hash64.c | |
parent | rcu: Fix sparse warnings (diff) | |
parent | Linux 2.6.33 (diff) | |
download | linux-996de8c6fe95c5a9fc524241cc8f142ef0605d3d.tar.xz linux-996de8c6fe95c5a9fc524241cc8f142ef0605d3d.zip |
Merge commit 'v2.6.33' into core/rcu
Merge reason: Update from -rc4 to -final.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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)) { |