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[PATCH] fix swap cluster offset

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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 <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Akinobu Mita 2006-03-22 00:09:09 -08:00 • committed by Linus Torvalds
commit 9b65ef59d4
1 changed files with 1 additions and 1 deletions
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2
mm/swapfile.c
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@ -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)) {