[PATCH 12/49] mm: make set_pageblock_order() static

[Muchun Song]

Since set_pageblock_order() is only used in mm/mm_init.c now, make it
static and remove its declaration from mm/internal.h.

Signed-off-by: Muchun Song <songmuchun at bytedance.com>
---
 mm/internal.h | 1 -
 mm/mm_init.c  | 4 ++--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index d70075d0e788..8232084f0c5e 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1437,7 +1437,6 @@ extern unsigned long  __must_check vm_mmap_pgoff(struct file *, unsigned long,
         unsigned long, unsigned long,
         unsigned long, unsigned long);
 
-extern void set_pageblock_order(void);
 unsigned long reclaim_pages(struct list_head *folio_list);
 unsigned int reclaim_clean_pages_from_list(struct zone *zone,
 					    struct list_head *folio_list);
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 72604d02a853..64363f35ad0d 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -1489,7 +1489,7 @@ static inline void setup_usemap(struct zone *zone) {}
 #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
 
 /* Initialise the number of pages represented by NR_PAGEBLOCK_BITS */
-void __init set_pageblock_order(void)
+static void __init set_pageblock_order(void)
 {
 	unsigned int order = PAGE_BLOCK_MAX_ORDER;
 
@@ -1515,7 +1515,7 @@ void __init set_pageblock_order(void)
  * include/linux/pageblock-flags.h for the values of pageblock_order based on
  * the kernel config
  */
-void __init set_pageblock_order(void)
+static inline void __init set_pageblock_order(void)
 {
 }
 
-- 
2.20.1