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Date: Tue, 24 Jul 2018 18:12:18 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Pavel Tatashin <pasha.tatashin@...cle.com>
Cc: steven.sistare@...cle.com, daniel.m.jordan@...cle.com,
linux-kernel@...r.kernel.org, kirill.shutemov@...ux.intel.com,
mhocko@...e.com, linux-mm@...ck.org, dan.j.williams@...el.com,
jack@...e.cz, jglisse@...hat.com, jrdr.linux@...il.com,
bhe@...hat.com, gregkh@...uxfoundation.org, vbabka@...e.cz,
richard.weiyang@...il.com, dave.hansen@...el.com,
rientjes@...gle.com, mingo@...nel.org,
osalvador@...hadventures.net, abdhalee@...ux.vnet.ibm.com,
mpe@...erman.id.au
Subject: Re: [PATCH 2/3] mm: calculate deferred pages after skipping
mirrored memory
On Tue, 24 Jul 2018 19:55:19 -0400 Pavel Tatashin <pasha.tatashin@...cle.com> wrote:
> update_defer_init() should be called only when struct page is about to be
> initialized. Because it counts number of initialized struct pages, but
> there we may skip struct pages if there is some mirrored memory.
What are the runtime effects of this error?
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