On Thu, Jun 17, 2010 at 09:25:38AM +0900, KAMEZAWA Hiroyuki wrote: > > BTW, why xbf_buf_create() use GFP_KERNEL even if it can be blocked ? > memory cgroup just limits pages for users, then, doesn't intend to > limit kernel pages. You mean xfs_buf_allocate? It doesn't in the end. It goes through the xfs_kmem helper which clear __GFP_FS if we're currently inside a filesystem transaction (PF_FSTRANS is set) or a caller specificly requested it to be disabled even without that by passig the XBF_DONT_BLOCK flag. -- 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>