include/linux/hugetlb*.h: clean up code

Macro HUGETLBFS_SB is clear enough, so one statement is clearer than 3
lines statements.

Remove redundant return statements for non-return functions, which can
save lines, at least.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e44c578..7ef4b63 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -353,9 +353,7 @@ extern unsigned int default_hstate_idx;
 
 static inline struct hstate *hstate_inode(struct inode *i)
 {
-       struct hugetlbfs_sb_info *hsb;
-       hsb = HUGETLBFS_SB(i->i_sb);
-       return hsb->hstate;
+       return HUGETLBFS_SB(i->i_sb)->hstate;
 }
 
 static inline struct hstate *hstate_file(struct file *f)

diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h
index 24154c2..063962f 100644 (file)
--- a/include/linux/hugetlb_cgroup.h
+++ b/include/linux/hugetlb_cgroup.h
@@ -93,20 +93,17 @@ hugetlb_cgroup_commit_charge(int idx, unsigned long nr_pages,
                             struct hugetlb_cgroup *h_cg,
                             struct page *page)
 {
-       return;
 }
 
 static inline void
 hugetlb_cgroup_uncharge_page(int idx, unsigned long nr_pages, struct page *page)
 {
-       return;
 }
 
 static inline void
 hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages,
                               struct hugetlb_cgroup *h_cg)
 {
-       return;
 }
 
 static inline void hugetlb_cgroup_file_init(void)
@@ -116,7 +113,6 @@ static inline void hugetlb_cgroup_file_init(void)
 static inline void hugetlb_cgroup_migrate(struct page *oldhpage,
                                          struct page *newhpage)
 {
-       return;
 }
 
 #endif  /* CONFIG_MEM_RES_CTLR_HUGETLB */