mm: change type of cma_area_count to unsigned int

Prefer 'unsigned int' over plain 'unsigned'. Also make it
consistent with mm/cma.c

Link: https://lkml.kernel.org/r/tencent_1E5E3AA25C261196D8C1F7097F130E382008@qq.com
Signed-off-by: Jiale Yang <295107659@qq.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/cma.h b/mm/cma.h
index ad61cc6dd439..8485ef893e99 100644
--- a/mm/cma.h
+++ b/mm/cma.h
@@ -36,7 +36,7 @@ struct cma {
 };
 
 extern struct cma cma_areas[MAX_CMA_AREAS];
-extern unsigned cma_area_count;
+extern unsigned int cma_area_count;
 
 static inline unsigned long cma_bitmap_maxno(struct cma *cma)
 {