[PATCH] mm: Make may_enter_fs bool in shrink_page_list()

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This gives some size improvement:

$size mm/vmscan.o (before)
   text	   data	    bss	    dec	    hex	filename
  53670	  24123	     12	  77805	  12fed	mm/vmscan.o

$size mm/vmscan.o (after)
   text	   data	    bss	    dec	    hex	filename
  53648	  24123	     12	  77783	  12fd7	mm/vmscan.o

Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
---
 mm/vmscan.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d9fb680884b8..dca623db51c8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1084,9 +1084,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 	while (!list_empty(page_list)) {
 		struct address_space *mapping;
 		struct page *page;
-		int may_enter_fs;
 		enum page_references references = PAGEREF_RECLAIM;
-		bool dirty, writeback;
+		bool dirty, writeback, may_enter_fs;
 		unsigned int nr_pages;
 
 		cond_resched();
@@ -1267,7 +1266,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 						goto activate_locked_split;
 				}
 
-				may_enter_fs = 1;
+				may_enter_fs = true;
 
 				/* Adding to swap updated mapping */
 				mapping = page_mapping(page);






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