From: Dave McCracken <dmccr@us.ibm.com>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 2.5.63] Teach page_mapped about the anon flag
Date: Mon, 03 Mar 2003 15:24:45 -0600 [thread overview]
Message-ID: <107610000.1046726685@baldur.austin.ibm.com> (raw)
In-Reply-To: <20030303131210.36645af6.akpm@digeo.com>
--On Monday, March 03, 2003 13:12:10 -0800 Andrew Morton <akpm@digeo.com>
wrote:
> It is. All callers which need to be 100% accurate are under
> pte_chain_lock().
Hmm, good point. Some places may not need perfect accuracy. Also, if it
gives a false positive it means someone else is doing an atomic op on it,
so it's likely to be in transition to/from true anyway.
Ok, you've convinced me. Please ignore the patch. I'll hang onto it in
case we get proved wrong at some point.
Dave
======================================================================
Dave McCracken IBM Linux Base Kernel Team 1-512-838-3059
dmccr@us.ibm.com T/L 678-3059
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next prev parent reply other threads:[~2003-03-03 21:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-27 10:59 2.5.63-mm1 Andrew Morton
2003-02-27 21:22 ` Rising io_load results 2.5.63-mm1 Con Kolivas
2003-02-27 21:44 ` Andrew Morton
2003-02-27 22:01 ` Dave McCracken
2003-02-27 22:24 ` Andrew Morton
2003-03-03 21:06 ` [PATCH 2.5.63] Teach page_mapped about the anon flag Dave McCracken
2003-03-03 21:12 ` Andrew Morton
2003-03-03 21:24 ` Dave McCracken [this message]
2003-03-03 21:35 ` Andrew Morton
2003-03-03 21:52 ` Dave McCracken
2003-03-03 22:15 ` Andrew Morton
2003-03-04 18:32 ` [PATCH 2.5.63] Make objrmap mapcount non-atomic Dave McCracken
2003-02-27 23:56 ` Rising io_load results Re: 2.5.63-mm1 Con Kolivas
2003-02-28 0:06 ` Andrew Morton
2003-02-28 0:28 ` Con Kolivas
2003-02-28 7:46 ` Duncan Sands
2003-02-28 8:06 ` Andrew Morton
2003-02-28 12:48 ` Hugh Dickins
2003-02-28 15:56 ` Dave McCracken
2003-02-28 0:17 ` 2.5.63-mm1 Ed Tomlinson
2003-02-28 0:46 ` 2.5.63-mm1 Andrew Morton
2003-02-28 12:16 ` 2.5.63-mm1 steven roemen
2003-02-28 12:24 ` 2.5.63-mm1 Andrew Morton
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