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authorMatthieu CASTET <matthieu.castet@parrot.com>2012-12-11 16:01:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-11 17:22:24 -0800
commit5de55b265a13bc263c823bbe05d87d2c5e785f6f (patch)
tree69082ec836d553c98b99e6a0f3aebe2649b4fad2 /arch/x86
parent9ff4868e3051d9128a24dd330bed32011a11421d (diff)
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dmapool: make DMAPOOL_DEBUG detect corruption of free marker
This can help to catch the case where hardware is writing after dma free. [akpm@linux-foundation.org: tidy code, fix comment, use sizeof(page->offset), use pr_err()] Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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