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From: Nick Piggin <>
To: Andrew Morton <>
Cc: Hugh Dickins <>, Nick Piggin <>,
	Linux Memory Management <>,
	Martin Schwidefsky <>,
	Linux Kernel <>
Subject: [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 3)
Date: Sat, 10 Feb 2007 03:31:22 +0100 (CET)	[thread overview]
Message-ID: <> (raw)

OK, I have got rid of SetPageUptodate_nowarn, and removed the atomic op
from SetNewPageUptodate. Made PageUptodate_NoLock only issue the memory
barrier is the page was uptodate (hopefully the compiler can thread the
branch into the caller's branch).

SetNewPageUptodate does not do the S390 page_test_and_clear_dirty, so
I'd like to make sure that's OK.

Rearranged the patch series so we don't have the first patch introducing
a lot of WARN_ONs that are solved in the next two patches (rather, solve
those issues first).


SuSE Labs

             reply	other threads:[~2007-02-10  2:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-10  2:31 Nick Piggin [this message]
2007-02-10  2:31 ` [patch 1/3] mm: make read_cache_page synchronous Nick Piggin
2007-02-10  2:31 ` [patch 2/3] fs: buffer don't PageUptodate without page locked Nick Piggin
2007-02-10  2:31 ` [patch 3/3] mm: fix PageUptodate memorder Nick Piggin
2007-02-10 22:44 ` [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 3) Martin Schwidefsky
2007-02-13  5:52   ` Nick Piggin
2007-02-13  9:25     ` Martin Schwidefsky

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