Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-19 Thread Roman Gushchin
On Tue, Jan 19, 2021 at 07:31:51PM -0800, Arjun Roy wrote: > On Wed, Jan 13, 2021 at 11:55 AM Shakeel Butt wrote: > > > > On Wed, Jan 13, 2021 at 11:49 AM Yang Shi wrote: > > > > > > On Wed, Jan 13, 2021 at 11:13 AM Shakeel Butt wrote: > > > > > > > > On Wed, Jan 13, 2021 at 10:43 AM Roman Gushc

Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-13 Thread Yang Shi
On Wed, Jan 13, 2021 at 11:13 AM Shakeel Butt wrote: > > On Wed, Jan 13, 2021 at 10:43 AM Roman Gushchin wrote: > > > > On Tue, Jan 12, 2021 at 04:18:44PM -0800, Shakeel Butt wrote: > > > On Tue, Jan 12, 2021 at 4:12 PM Arjun Roy wrote: > > > > > > > > On Tue, Jan 12, 2021 at 3:48 PM Roman Gushc

Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-13 Thread Roman Gushchin
On Tue, Jan 12, 2021 at 04:12:08PM -0800, Arjun Roy wrote: > On Tue, Jan 12, 2021 at 3:48 PM Roman Gushchin wrote: > > > > On Tue, Jan 12, 2021 at 03:36:18PM -0800, Arjun Roy wrote: > > > On Tue, Jan 12, 2021 at 3:31 PM Roman Gushchin wrote: > > > > > > > > On Tue, Jan 12, 2021 at 01:41:05PM -080

Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-13 Thread Roman Gushchin
On Tue, Jan 12, 2021 at 04:18:44PM -0800, Shakeel Butt wrote: > On Tue, Jan 12, 2021 at 4:12 PM Arjun Roy wrote: > > > > On Tue, Jan 12, 2021 at 3:48 PM Roman Gushchin wrote: > > > > [snip] > > > Historically we have a corresponding vmstat counter to each charged page. > > > It helps with finding

Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-12 Thread Roman Gushchin
On Tue, Jan 12, 2021 at 03:36:18PM -0800, Arjun Roy wrote: > On Tue, Jan 12, 2021 at 3:31 PM Roman Gushchin wrote: > > > > On Tue, Jan 12, 2021 at 01:41:05PM -0800, Shakeel Butt wrote: > > > From: Arjun Roy > > > > > > TCP zerocopy receive is used by high performance network applications to > > >

Re: [PATCH] mm: net: memcg accounting for TCP rx zerocopy

2021-01-12 Thread Roman Gushchin
On Tue, Jan 12, 2021 at 01:41:05PM -0800, Shakeel Butt wrote: > From: Arjun Roy > > TCP zerocopy receive is used by high performance network applications to > further scale. For RX zerocopy, the memory containing the network data > filled by network driver is directly mapped into the address spac