Hello, Vladimir. On Mon, Aug 31, 2015 at 05:20:49PM +0300, Vladimir Davydov wrote: ... > That being said, this is the fix at the right layer. While this *might* be a necessary workaround for the hard limit case right now, this is by no means the fix at the right layer. The expectation is that mm keeps a reasonable amount of memory available for allocations which can't block. These allocations may fail from time to time depending on luck and under extreme memory pressure but the caller should be able to depend on it as a speculative allocation mechanism which doesn't fail willy-nilly. Hardlimit breaking GFP_NOWAIT behavior is a bug on memcg side, not slab or slub. Thanks. -- tejun -- 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>