From: Eric Dumazet <edumazet@google.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: __GFP_REPEAT usage in fq_alloc_node
Date: Mon, 9 Jan 2017 09:53:42 -0800 [thread overview]
Message-ID: <CANn89iJh2pSv19HkMGoisuGcs5oEdFp5rYz9oKKSh8TzBY2TxA@mail.gmail.com> (raw)
In-Reply-To: <20170109174511.GA8306@dhcp22.suse.cz>
On Mon, Jan 9, 2017 at 9:45 AM, Michal Hocko <mhocko@kernel.org> wrote:
> What about those non-default configurations. Do they really want to
> invoke the OOM killer rather than fallback to the vmalloc?
In our case, we use 4096 slots per fq, so that is a 16KB memory allocation.
And these allocations happen right after boot, while we have plenty of
non fragmented memory.
Presumably falling back to vmalloc() would be just fine.
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next prev parent reply other threads:[~2017-01-09 17:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-06 15:20 __GFP_REPEAT usage in fq_alloc_node Michal Hocko
2017-01-06 15:37 ` Eric Dumazet
2017-01-06 15:39 ` Eric Dumazet
2017-01-06 16:07 ` Michal Hocko
2017-01-06 16:19 ` Michal Hocko
2017-01-07 3:33 ` [PATCH] net: use kvmalloc rather than open coded variant kbuild test robot
2017-01-07 9:19 ` Michal Hocko
2017-01-07 3:35 ` kbuild test robot
2017-01-09 10:22 ` __GFP_REPEAT usage in fq_alloc_node Michal Hocko
2017-01-09 16:00 ` Eric Dumazet
2017-01-09 17:45 ` Michal Hocko
2017-01-09 17:53 ` Eric Dumazet [this message]
2017-01-14 23:43 ` [PATCH] net_sched: use kvmalloc rather than opencoded variant kbuild test robot
2017-01-16 8:54 ` Michal Hocko
2017-01-06 16:31 ` __GFP_REPEAT usage in fq_alloc_node Vlastimil Babka
2017-01-06 16:48 ` Eric Dumazet
2017-01-06 16:50 ` Eric Dumazet
2017-01-06 16:55 ` Vlastimil Babka
2017-01-06 17:08 ` Eric Dumazet
2017-01-06 17:18 ` Vlastimil Babka
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