[PATCH v2] mm: filemap: remove include of hardirq.h

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in_atomic() has been moved to include/linux/preempt.h, and the filemap.c
doesn't use in_atomic() directly at all, so it sounds unnecessary to
include hardirq.h.

Signed-off-by: Yang Shi <yang.s@xxxxxxxxxxxxxxx>
---
v1 --> v2:
* Removed the wrong message about kernel size change

 mm/filemap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 594d73f..57238f4 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -31,7 +31,6 @@
 #include <linux/blkdev.h>
 #include <linux/security.h>
 #include <linux/cpuset.h>
-#include <linux/hardirq.h> /* for BUG_ON(!in_atomic()) only */
 #include <linux/hugetlb.h>
 #include <linux/memcontrol.h>
 #include <linux/cleancache.h>
-- 
1.8.3.1

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