From: John Hawkes <hawkes@sgi.com>
Date: Wed, 19 Apr 2006 17:06:20 +0000 (-0400)
Subject: NFS: nfs_show_stats; for_each_possible_cpu(), not NR_CPUS
X-Git-Tag: v3.12-rc1~36444^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b9d9506d944865876e67281a4e4269d823ce5381;p=kernel%2Fkernel-generic.git

NFS: nfs_show_stats; for_each_possible_cpu(), not NR_CPUS

Convert a for-loop that explicitly references "NR_CPUS" into the
potentially more efficient for_each_possible_cpu() construct.

Signed-off-by: John Hawkes <hawkes@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 2f7656b..d0b991a 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -700,12 +700,9 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
 	/*
 	 * Display superblock I/O counters
 	 */
-	for (cpu = 0; cpu < NR_CPUS; cpu++) {
+	for_each_possible_cpu(cpu) {
 		struct nfs_iostats *stats;
 
-		if (!cpu_possible(cpu))
-			continue;
-
 		preempt_disable();
 		stats = per_cpu_ptr(nfss->io_stats, cpu);