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Date: Wed, 16 Oct 2002 19:26:30 +0100
From: Matthew Wilcox <willy@debian.org>
To: Andrew Morton <akpm@zip.com.au>
Cc: linux-kernel@vger.kernel.org, Hugh Dickins <hugh@veritas.com>
Subject: [PATCH] shmem missing cache flush
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Really, this should be a clear_user_page(), but we can't reasonable get
a user address all the way down to it, so let's just flush it instead.
Note that 2.4 needs an equivalent fix.

diff -urpNX build-tools/dontdiff linus-2.5/mm/shmem.c parisc-2.5/mm/shmem.c
--- linus-2.5/mm/shmem.c	Tue Oct  8 10:54:20 2002
+++ parisc-2.5/mm/shmem.c	Tue Oct  8 16:49:24 2002
@@ -848,6 +848,7 @@ repeat:
 		info->alloced++;
 		spin_unlock(&info->lock);
 		clear_highpage(page);
+		flush_dcache_page(page);
 		SetPageUptodate(page);
 	}
 

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