Commit 9b65ef59 authored Mar 22, 2006 by Akinobu Mita Committed by Linus Torvalds Mar 22, 2006

[PATCH] fix swap cluster offset



When we've allocated SWAPFILE_CLUSTER pages, ->cluster_next should be the
first index of swap cluster.  But current code probably sets it wrong offset.

Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 879336c3

mm/swapfile.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -116,7 +116,7 @@ static inline unsigned long scan_swap_map(struct swap_info_struct *si)
		last_in_cluster = offset + SWAPFILE_CLUSTER;
		else if (offset == last_in_cluster) {
		spin_lock(&swap_lock);
		si->cluster_next = offset-SWAPFILE_CLUSTER-1;
		si->cluster_next = offset-SWAPFILE_CLUSTER+1;
		goto cluster;
		}
		if (unlikely(--latency_ration < 0)) {