[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>
This commit is contained in:
Akinobu Mita 2006-03-22 00:09:09 -08:00 committed by Linus Torvalds
parent 879336c393
commit 9b65ef59d4

View file

@ -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)) {