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[1/2] mm/swapfile.c: simplify the calculation of n_goal

Message ID 20200325220309.9803-1-richard.weiyang@gmail.com (mailing list archive)
State New, archived
Headers show
Series [1/2] mm/swapfile.c: simplify the calculation of n_goal | expand

Commit Message

Wei Yang March 25, 2020, 10:03 p.m. UTC 
Use min3() to simplify the comparison and make it more self-explaining.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 mm/swapfile.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 2c33ff456ed5..85b151d73128 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1004,11 +1004,7 @@  int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
 	if (avail_pgs <= 0)
 		goto noswap;
 
-	if (n_goal > SWAP_BATCH)
-		n_goal = SWAP_BATCH;
-
-	if (n_goal > avail_pgs)
-		n_goal = avail_pgs;
+	n_goal = min3((long)n_goal, (long)SWAP_BATCH, avail_pgs);
 
 	atomic_long_sub(n_goal * size, &nr_swap_pages);