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.
With removing hardirq.h, around 32 bytes can be saved for x86_64 bzImage
with allnoconfig.
Signed-off-by: Yang Shi <[email protected]>
---
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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