On Tue, Nov 10, 2015 at 09:34:04PM +0300, Vladimir Davydov wrote: > Black-list kmem accounting policy (aka __GFP_NOACCOUNT) turned out to be > fragile and difficult to maintain, because there seem to be many more > allocations that should not be accounted than those that should be. > Besides, false accounting an allocation might result in much worse > consequences than not accounting at all, namely increased memory > consumption due to pinned dead kmem caches. > > So this patch switches kmem accounting to the white-policy: now only > those kmem allocations that are marked as __GFP_ACCOUNT are accounted to > memcg. Currently, no kmem allocations are marked like this. The > following patches will mark several kmem allocations that are known to > be easily triggered from userspace and therefore should be accounted to > memcg. > > Signed-off-by: Vladimir Davydov <[email protected]>
Acked-by: Johannes Weiner <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
