]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 76d71f0) | patch
dmapool: make DMAPOOL_DEBUG detect corruption of free marker
authorMatthieu CASTET <matthieu.castet@parrot.com>
Wed, 12 Dec 2012 00:01:31 +0000 (16:01 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 12 Dec 2012 01:22:24 +0000 (17:22 -0800)
commit7cd4a124161eba584d85f7c5ed9e1506d8eb0998
tree69082ec836d553c98b99e6a0f3aebe2649b4fad2tree | snapshot
parent76d71f034fa5d049c73b3a50b045d8fe83b974cecommit | diff
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>
mm/dmapool.c diff | blob | history
Linux Kernel Source Tree.