On Wed, Aug 18, 2010 at 03:04:01PM -0400, Trond Myklebust wrote: > From: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> > > Allowing kswapd to do GFP_KERNEL memory allocations (or any blocking memory > allocations) is wrong and can cause deadlocks in try_to_release_page(), as > the filesystem believes it is safe to allocate new memory and block, > whereas kswapd is there specifically to clear a low-memory situation... > > Set the gfp_mask to GFP_IOFS instead. I always thought releasepage was supposed to do almost zero work. It could release an instantly freeable page but it wasn't supposed to dive in and solve world hunger or anything. I thought the VM would be using writepage for that. -chris -- 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>