mm: frontswap: make all branches of if statement in put page consistent
Currently it has a complex structure where different things are compared
at each branch. Simplify that and make both branches look similar.
Reviewed-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/mm/frontswap.c b/mm/frontswap.c
index e6353d9..d8dc986 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -140,16 +140,16 @@
inc_frontswap_succ_stores();
if (!dup)
atomic_inc(&sis->frontswap_pages);
- } else if (dup) {
+ } else {
/*
failed dup always results in automatic invalidate of
the (older) page from frontswap
*/
- frontswap_clear(sis, offset);
- atomic_dec(&sis->frontswap_pages);
inc_frontswap_failed_stores();
- } else {
- inc_frontswap_failed_stores();
+ if (dup) {
+ frontswap_clear(sis, offset);
+ atomic_dec(&sis->frontswap_pages);
+ }
}
if (frontswap_writethrough_enabled)
/* report failure so swap also writes to swap device */