linux-kernel - [PATCH 003 of 8] knfsd: Fix auto-sizing of nfsd request/reply buffers

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Date:	Fri, 29 Sep 2006 13:08:50 +1000
From:	NeilBrown <neilb@...e.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	nfs@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH 003 of 8] knfsd: Fix auto-sizing of nfsd request/reply buffers


totalram is measured in pages, not bytes, so PAGE_SHIFT must be used
when trying to find 1/4096 of RAM.

Cc:  "J. Bruce Fields" <bfields@...ldses.org>
Signed-off-by: Neil Brown <neilb@...e.de>

### Diffstat output
 ./fs/nfsd/nfssvc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff .prev/fs/nfsd/nfssvc.c ./fs/nfsd/nfssvc.c
--- .prev/fs/nfsd/nfssvc.c	2006-09-29 11:44:32.000000000 +1000
+++ ./fs/nfsd/nfssvc.c	2006-09-29 11:57:27.000000000 +1000
@@ -209,7 +209,7 @@ int nfsd_create_serv(void)
 		 * Of course, this is only a default.
 		 */
 		nfsd_max_blksize = NFSSVC_MAXBLKSIZE;
-		i.totalram >>= 12;
+		i.totalram <<= PAGE_SHIFT - 12;
 		while (nfsd_max_blksize > i.totalram &&
 		       nfsd_max_blksize >= 8*1024*2)
 			nfsd_max_blksize /= 2;
-
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