[v2] mm/page_alloc.c: __perform_reclaim should return 'unsigned long'

Commit Message

Xu, Yanfei Sept. 16, 2020, 2:21 a.m. UTC

From: Yanfei Xu <[e-mail]>

__perform_reclaim()'s single caller expects it to return 'unsigned long',
hence change its return value and a local variable to 'unsigned long'.

Signed-off-by: Yanfei Xu <[e-mail]>
Suggested-by: Andrew Morton <[e-mail]>
---
 mm/page_alloc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Patch

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fab5e97dc9ca..9c985b0c316c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4241,13 +4241,12 @@  EXPORT_SYMBOL_GPL(fs_reclaim_release);
 #endif
 
 /* Perform direct synchronous page reclaim */
-static int
+static unsigned long
 __perform_reclaim(gfp_t gfp_mask, unsigned int order,
 					const struct alloc_context *ac)
 {
-	int progress;
 	unsigned int noreclaim_flag;
-	unsigned long pflags;
+	unsigned long pflags, progress;
 
 	cond_resched();