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From: Andrew Morton <akpm@linux-foundation.org>
To: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: steven.sistare@oracle.com, daniel.m.jordan@oracle.com,
	linux-kernel@vger.kernel.org, kirill.shutemov@linux.intel.com,
	mhocko@suse.com, linux-mm@kvack.org, dan.j.williams@intel.com,
	jack@suse.cz, jglisse@redhat.com, jrdr.linux@gmail.com,
	bhe@redhat.com, gregkh@linuxfoundation.org, vbabka@suse.cz,
	richard.weiyang@gmail.com, dave.hansen@intel.com,
	rientjes@google.com, mingo@kernel.org,
	osalvador@techadventures.net, abdhalee@linux.vnet.ibm.com,
	mpe@ellerman.id.au
Subject: Re: [PATCH 2/3] mm: calculate deferred pages after skipping mirrored memory
Date: Tue, 24 Jul 2018 18:12:18 -0700	[thread overview]
Message-ID: <20180724181218.13a1ed1d7a3e9a37e35707a9@linux-foundation.org> (raw)
In-Reply-To: <20180724235520.10200-3-pasha.tatashin@oracle.com>

On Tue, 24 Jul 2018 19:55:19 -0400 Pavel Tatashin <pasha.tatashin@oracle.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?

  reply	other threads:[~2018-07-25  1:12 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-24 23:55 [PATCH 0/3] memmap_init_zone improvements Pavel Tatashin
2018-07-24 23:55 ` [PATCH 1/3] mm: make memmap_init a proper function Pavel Tatashin
2018-07-26  7:50   ` Oscar Salvador
2018-07-24 23:55 ` [PATCH 2/3] mm: calculate deferred pages after skipping mirrored memory Pavel Tatashin
2018-07-25  1:12   ` Andrew Morton [this message]
2018-07-25  1:19     ` Pavel Tatashin
2018-07-25  1:31   ` Andrew Morton
2018-07-25  1:46     ` Pavel Tatashin
2018-07-25 21:30       ` Andrew Morton
2018-07-26 15:39         ` Pavel Tatashin
2018-07-25 12:14   ` Oscar Salvador
2018-07-25 13:32     ` Pavel Tatashin
2018-07-24 23:55 ` [PATCH 3/3] mm: move mirrored memory specific code outside of memmap_init_zone Pavel Tatashin
2018-07-25  1:18   ` Andrew Morton
2018-07-25  1:31     ` Pavel Tatashin
2018-07-25 11:48   ` Oscar Salvador

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