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Date: Thu, 8 Oct 2020 14:56:13 +0200 From: Vlastimil Babka <vbabka@...e.cz> To: Michal Hocko <mhocko@...e.com> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, Pavel Tatashin <pasha.tatashin@...een.com>, David Hildenbrand <david@...hat.com>, Oscar Salvador <osalvador@...e.de>, Joonsoo Kim <iamjoonsoo.kim@....com> Subject: Re: [PATCH v2 3/7] mm, page_alloc: remove setup_pageset() On 10/8/20 2:23 PM, Michal Hocko wrote: > On Thu 08-10-20 13:41:57, Vlastimil Babka wrote: >> We initialize boot-time pagesets with setup_pageset(), which sets high and >> batch values that effectively disable pcplists. >> >> We can remove this wrapper if we just set these values for all pagesets in >> pageset_init(). Non-boot pagesets then subsequently update them to the proper >> values. >> >> No functional change. >> >> Signed-off-by: Vlastimil Babka <vbabka@...e.cz> >> Reviewed-by: David Hildenbrand <david@...hat.com> > > Acked-by: Michal Hocko <mhocko@...e.com> Thanks! > Btw. where do we initialize pcp->count? I thought that pcp allocator > zeroes out the allocated memory but alloc_percpu is GFP_KERNEL like. pageset_init() does: memset(p, 0, sizeof(*p))
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