[Suspend2][ 09/13] [Suspend2] Reset kswapd_max_order after resume.

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Reset the kswapd_max_order value to zero after resume so that we don't get
a swap storm.

Signed-off-by: Nigel Cunningham <[email protected]>

 mm/vmscan.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 440a733..b6a5a0d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1244,7 +1244,8 @@ static int kswapd(void *p)
 	for ( ; ; ) {
 		unsigned long new_order;
 
-		try_to_freeze();
+		if (try_to_freeze())
+			pgdat->kswapd_max_order = 0;
 
 		prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE);
 		new_order = pgdat->kswapd_max_order;

--
Nigel Cunningham		nigel at suspend2 dot net
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