On Fri, Jul 02, 2010 at 10:31:43AM +0200, Andi Kleen wrote: > On Fri, Jul 02, 2010 at 02:47:20PM +0900, Naoya Horiguchi wrote: > > This patch fixes possible deadlock in hugepage lock_page() > > by adding missing unlock_page(). > > > > libhugetlbfs test will hit this bug when the next patch in this > > patchset ("hugetlb, HWPOISON: move PG_HWPoison bit check") is applied. > > This looks like a general bug fix that should be merged ASAP? > > Or do you think this cannot be hit at all without the other patches? This bug was introduced by patch "hugetlb, rmap: add reverse mapping for hugepage" in previous patchset (currently in linux-next) and it's not merged in mainline yet. So it's OK if this patch goes into linux-next by its merge to mainline. Thanks, Naoya Horiguchi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>