From: Andrew Morton <akpm@linux-foundation.org>
To: David Miller <davem@davemloft.net>
Cc: torvalds@linux-foundation.org, npiggin@suse.de, hugh@veritas.com,
linux-mm@kvack.org, tee@sgi.com, holt@sgi.com, andrea@suse.de,
linux-kernel@vger.kernel.org
Subject: Re: [rfc] no ZERO_PAGE?
Date: Wed, 4 Apr 2007 13:50:30 -0700 [thread overview]
Message-ID: <20070404135030.0683fb49.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070404.131111.62667528.davem@davemloft.net>
On Wed, 04 Apr 2007 13:11:11 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:
> As I understand the patch being considered to remove ZERO_PAGE(), this
> kind of core dump will cause a lot of pages to be allocated, probably
> eating up a lot of system time as well as memory.
Point.
Also, what effect will the proposed changes have upon rss reporting,
and upon the numbers in /proc/pid/[s]maps?
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: David Miller <davem@davemloft.net>
Cc: torvalds@linux-foundation.org, npiggin@suse.de, hugh@veritas.com,
linux-mm@kvack.org, tee@sgi.com, holt@sgi.com, andrea@suse.de,
linux-kernel@vger.kernel.org
Subject: Re: [rfc] no ZERO_PAGE?
Date: Wed, 4 Apr 2007 13:50:30 -0700 [thread overview]
Message-ID: <20070404135030.0683fb49.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070404.131111.62667528.davem@davemloft.net>
On Wed, 04 Apr 2007 13:11:11 -0700 (PDT)
David Miller <davem@davemloft.net> wrote:
> As I understand the patch being considered to remove ZERO_PAGE(), this
> kind of core dump will cause a lot of pages to be allocated, probably
> eating up a lot of system time as well as memory.
Point.
Also, what effect will the proposed changes have upon rss reporting,
and upon the numbers in /proc/pid/[s]maps?
--
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next prev parent reply other threads:[~2007-04-04 20:50 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-29 7:58 [rfc][patch 1/2] mm: dont account ZERO_PAGE Nick Piggin
2007-03-29 7:58 ` [rfc][patch 2/2] mips: reinstate move_pte Nick Piggin
2007-03-29 17:49 ` Linus Torvalds
2007-03-29 13:10 ` [rfc][patch 1/2] mm: dont account ZERO_PAGE Hugh Dickins
2007-03-30 1:46 ` Nick Piggin
2007-03-30 2:59 ` Robin Holt
2007-03-30 3:09 ` Nick Piggin
2007-03-30 9:23 ` Robin Holt
2007-03-30 2:40 ` Nick Piggin
2007-04-04 3:37 ` [rfc] no ZERO_PAGE? Nick Piggin
2007-04-04 3:37 ` Nick Piggin
2007-04-04 9:45 ` Hugh Dickins
2007-04-04 9:45 ` Hugh Dickins
2007-04-04 10:24 ` Nick Piggin
2007-04-04 10:24 ` Nick Piggin
2007-04-04 12:27 ` Andrea Arcangeli
2007-04-04 12:27 ` Andrea Arcangeli
2007-04-04 13:55 ` Dan Aloni
2007-04-04 13:55 ` Dan Aloni
2007-04-04 14:14 ` Andrea Arcangeli
2007-04-04 14:14 ` Andrea Arcangeli
2007-04-04 14:44 ` Dan Aloni
2007-04-04 14:44 ` Dan Aloni
2007-04-04 15:03 ` Hugh Dickins
2007-04-04 15:03 ` Hugh Dickins
2007-04-04 15:34 ` Andrea Arcangeli
2007-04-04 15:34 ` Andrea Arcangeli
2007-04-04 15:41 ` Hugh Dickins
2007-04-04 15:41 ` Hugh Dickins
2007-04-04 16:07 ` Andrea Arcangeli
2007-04-04 16:07 ` Andrea Arcangeli
2007-04-04 16:14 ` Linus Torvalds
2007-04-04 16:14 ` Linus Torvalds
2007-04-04 15:27 ` Andrea Arcangeli
2007-04-04 15:27 ` Andrea Arcangeli
2007-04-04 16:15 ` Dan Aloni
2007-04-04 16:15 ` Dan Aloni
2007-04-04 16:48 ` Andrea Arcangeli
2007-04-04 16:48 ` Andrea Arcangeli
2007-04-04 12:45 ` Hugh Dickins
2007-04-04 12:45 ` Hugh Dickins
2007-04-04 13:05 ` Andrea Arcangeli
2007-04-04 13:05 ` Andrea Arcangeli
2007-04-04 13:32 ` Hugh Dickins
2007-04-04 13:32 ` Hugh Dickins
2007-04-04 13:40 ` Andrea Arcangeli
2007-04-04 13:40 ` Andrea Arcangeli
2007-04-04 15:35 ` Linus Torvalds
2007-04-04 15:35 ` Linus Torvalds
2007-04-04 15:48 ` Andrea Arcangeli
2007-04-04 15:48 ` Andrea Arcangeli
2007-04-04 16:09 ` Linus Torvalds
2007-04-04 16:09 ` Linus Torvalds
2007-04-04 16:23 ` Andrea Arcangeli
2007-04-04 16:23 ` Andrea Arcangeli
2007-04-04 16:10 ` Hugh Dickins
2007-04-04 16:10 ` Hugh Dickins
2007-04-04 16:31 ` Andrea Arcangeli
2007-04-04 16:31 ` Andrea Arcangeli
2007-04-04 22:07 ` Valdis.Kletnieks
2007-04-04 16:32 ` Eric Dumazet
2007-04-04 16:32 ` Eric Dumazet
2007-04-04 17:02 ` Linus Torvalds
2007-04-04 17:02 ` Linus Torvalds
2007-04-04 19:15 ` Andrew Morton
2007-04-04 19:15 ` Andrew Morton
2007-04-04 20:11 ` David Miller
2007-04-04 20:11 ` David Miller, Linus Torvalds
2007-04-04 20:50 ` Andrew Morton [this message]
2007-04-04 20:50 ` Andrew Morton
2007-04-05 2:03 ` Nick Piggin
2007-04-05 2:03 ` Nick Piggin
2007-04-05 5:23 ` Andrea Arcangeli
2007-04-05 5:23 ` Andrea Arcangeli
2007-04-04 22:05 ` Valdis.Kletnieks
2007-04-05 0:27 ` Linus Torvalds
2007-04-05 0:27 ` Linus Torvalds
2007-04-05 1:25 ` Valdis.Kletnieks
2007-04-05 2:30 ` Nick Piggin
2007-04-05 2:30 ` Nick Piggin
2007-04-05 5:37 ` William Lee Irwin III
2007-04-05 5:37 ` William Lee Irwin III
2007-04-05 17:23 ` Valdis.Kletnieks
2007-04-05 4:47 ` Nick Piggin
2007-04-05 4:47 ` Nick Piggin
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