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| author | Nick Piggin <npiggin@suse.de> | 2009-02-27 14:03:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-27 16:26:21 -0800 |
| commit | 7766970cc13e9071b356b1f2a48a9eb8675bfcce (patch) | |
| tree | 615ebb34f392c882cc0b72e2958249a2f9f0ee19 /mm/sparse-vmemmap.c | |
| parent | 5170836679185357dc1b7660bad13287b39e1e33 (diff) | |
| download | kernel-crypto-7766970cc13e9071b356b1f2a48a9eb8675bfcce.tar.gz kernel-crypto-7766970cc13e9071b356b1f2a48a9eb8675bfcce.tar.xz kernel-crypto-7766970cc13e9071b356b1f2a48a9eb8675bfcce.zip | |
mm: vmap fix overflow
The new vmap allocator can wrap the address and get confused in the case
of large allocations or VMALLOC_END near the end of address space.
Problem reported by Christoph Hellwig on a 32-bit XFS workload.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: <stable@kernel.org> [2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/sparse-vmemmap.c')
0 files changed, 0 insertions, 0 deletions