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authorMiaohe Lin <[email protected]>2021-09-02 14:54:15 -0700
committerLinus Torvalds <[email protected]>2021-09-03 09:58:11 -0700
commit86a2f3f2d99e9765d13a55ee2e4364deb6cdf794 (patch)
tree9c75cfc2b213df6523c41f01149f91160dcf9ad4
parentcdd89d4cb6507f123f6ecbfe51050e9a9844c2ab (diff)
shmem: include header file to declare swap_info
It's bad to extern swap_info[] in .c. Include corresponding header file instead. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Miaohe Lin <[email protected]> Cc: Hugh Dickins <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/shmem.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index c4087f70c86c..f841c7adb8b2 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -38,6 +38,7 @@
#include <linux/hugetlb.h>
#include <linux/frontswap.h>
#include <linux/fs_parser.h>
+#include <linux/swapfile.h>
static struct vfsmount *shm_mnt;
@@ -1152,8 +1153,6 @@ static void shmem_evict_inode(struct inode *inode)
clear_inode(inode);
}
-extern struct swap_info_struct *swap_info[];
-
static int shmem_find_swap_entries(struct address_space *mapping,
pgoff_t start, unsigned int nr_entries,
struct page **entries, pgoff_t *indices,