On Fri 03-05-13 15:25:25, Christoph Lameter wrote: > On Fri, 3 May 2013, Han Pingtian wrote: > > > On Thu, May 02, 2013 at 03:10:15PM +0000, Christoph Lameter wrote: > > > On Thu, 2 May 2013, Han Pingtian wrote: > > > > > > > Looks like "ibmvscsi" + "slub" can trigger this problem. > > > > > > And the next merge of the slab-next tree will also cause SLAB to trigger > > > this issue. I would like to have this fixes. The slab allocator purpose is > > > to servr objects that are a fraction of a page and not objects that are > > > larger than the maximum allowed sizes of the page allocator. > > > > So the problem is in memory management code, not in ibmvscis? And looks > > like there is a fix already? > > Both should be fixed. Could you point to the specific commit(s), please? > Making requests for large amounts of memory from an allocator that is > supposed to hand out fraction of a page does not make sense. AFAIR there were lots of objects in size-512 as well. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>