Messages in this thread Patch in this message | | | From | FUJITA Tomonori <> | Subject | [PATCH -mm 1/4] alpha: convert IOMMU to use ALIGN() | Date | Sat, 23 Feb 2008 15:13:12 +0900 |
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This patch is preparation for modifications to fix the IOMMU segment boundary problem.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Andrew Morton <akpm@linux-foundation.org> --- arch/alpha/kernel/pci_iommu.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 26d3789..bbf9990 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -136,11 +136,11 @@ iommu_arena_find_pages(struct pci_iommu_arena *arena, long n, long mask) /* Search forward for the first mask-aligned sequence of N free ptes */ ptes = arena->ptes; nent = arena->size >> PAGE_SHIFT; - p = (arena->next_entry + mask) & ~mask; + p = ALIGN(arena->next_entry, mask + 1); i = 0; while (i < n && p+i < nent) { if (ptes[p+i]) - p = (p + i + 1 + mask) & ~mask, i = 0; + p = ALIGN(p + i + 1, mask + 1), i = 0; else i = i + 1; } @@ -153,7 +153,7 @@ iommu_arena_find_pages(struct pci_iommu_arena *arena, long n, long mask) p = 0, i = 0; while (i < n && p+i < nent) { if (ptes[p+i]) - p = (p + i + 1 + mask) & ~mask, i = 0; + p = ALIGN(p + i + 1, mask + 1), i = 0; else i = i + 1; } -- 1.5.3.4
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