On Wed 14-10-15 16:17:31, Pan Xinhui wrote: [...] > I have a look at Mel's patchset. yes, it can help fix my kswapd issue. > :) So I just need change my kmalloc's gfp_flag to GFP_ATOMIC &~ > __GFP_KSWAPD_RECLAIM, then slub will not wakeup kswpad. As pointed out in my other email __GFP_ATOMIC would be more appropriate because you shouldn't abuse memory reserves which are implicitly used for GFP_ATOMIC requests. -- 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>