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-rw-r--r--mm/frontswap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/frontswap.c b/mm/frontswap.c
index c30eec536f03..8d82809eb085 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -182,7 +182,7 @@ void __frontswap_init(unsigned type, unsigned long *map)
if (frontswap_ops)
frontswap_ops->init(type);
else {
- BUG_ON(type > MAX_SWAPFILES);
+ BUG_ON(type >= MAX_SWAPFILES);
set_bit(type, need_init);
}
}
@@ -244,8 +244,10 @@ int __frontswap_store(struct page *page)
the (older) page from frontswap
*/
inc_frontswap_failed_stores();
- if (dup)
+ if (dup) {
__frontswap_clear(sis, offset);
+ frontswap_ops->invalidate_page(type, offset);
+ }
}
if (frontswap_writethrough_enabled)
/* report failure so swap also writes to swap device */