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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-09-17 12:19:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-19 12:59:27 +0200 |
| commit | d58befd3a0110c93d70756537b4d01d05a9e6e12 (patch) | |
| tree | f7bb361c7b3f7752520dfb78fbe762316e88eb5c /arch/x86/kernel/amd_iommu_init.c | |
| parent | 6754086ce67c0a1f5d7eac612102368781e14588 (diff) | |
| download | blackbird-op-linux-d58befd3a0110c93d70756537b4d01d05a9e6e12.tar.gz blackbird-op-linux-d58befd3a0110c93d70756537b4d01d05a9e6e12.zip | |
AMD IOMMU: free domain bitmap with its allocation order
The amd_iommu_pd_alloc_bitmap is allocated with a calculated order and
freed with order 1. This is not a bug since the calculated order always
evaluates to 1, but its unclean code. So replace the 1 with the
calculation in the release path.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 8c1375985557..e60f4cd29eb2 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -1144,7 +1144,8 @@ out: return ret; free: - free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1); + free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, + get_order(MAX_DOMAIN_ID/8)); free_pages((unsigned long)amd_iommu_pd_table, get_order(rlookup_table_size)); |
