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Message-ID: <20151210131718.GL19496@dhcp22.suse.cz> Date: Thu, 10 Dec 2015 14:17:18 +0100 From: Michal Hocko <mhocko@...nel.org> To: Johannes Weiner <hannes@...xchg.org> Cc: Andrew Morton <akpm@...ux-foundation.org>, Vladimir Davydov <vdavydov@...tuozzo.com>, linux-mm@...ck.org, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-team@...com Subject: Re: [PATCH 6/8] mm: memcontrol: move kmem accounting code to CONFIG_MEMCG On Tue 08-12-15 13:34:23, Johannes Weiner wrote: > The cgroup2 memory controller will account important in-kernel memory > consumers per default. Move all necessary components to CONFIG_MEMCG. Hmm, that bloats the kernel also for users who are not using cgroup2 and have CONFIG_MEMCG_KMEM disabled. This is the situation before this patch text data bss dec hex filename 521342 97516 44312 663170 a1e82 mm/built-in.o.kmem 513349 96299 43960 653608 9f928 mm/built-in.o.nokmem and after with CONFIG_MEMCG_KMEM=n 521028 96556 44312 661896 a1988 mm/built-in.o we are basically back to CONFIG_MEMCG_KMEM=y. This sounds like a wastage to me. Do we really need this? > > Signed-off-by: Johannes Weiner <hannes@...xchg.org> [...] -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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