[PATCH] mm: memblock: remove return value of memblock_free_all()

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No one checks the return value of memblock_free_all().
Make the return value void.

memblock_free_all() is used on mem_init() for each
architecture, and the total count of freed pages will be added
to _totalram_pages variable by calling totalram_pages_add().

so do not need to return total count of freed pages.

Signed-off-by: Daeseok Youn <daeseok.youn@xxxxxxxxx>
---
 include/linux/memblock.h | 2 +-
 mm/memblock.c            | 6 +-----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 9c5cc95c7cee..076fda398dff 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -117,7 +117,7 @@ int memblock_mark_mirror(phys_addr_t base, phys_addr_t size);
 int memblock_mark_nomap(phys_addr_t base, phys_addr_t size);
 int memblock_clear_nomap(phys_addr_t base, phys_addr_t size);
 
-unsigned long memblock_free_all(void);
+void memblock_free_all(void);
 void reset_node_managed_pages(pg_data_t *pgdat);
 void reset_all_zones_managed_pages(void);
 void memblock_enforce_memory_reserved_overlap(void);
diff --git a/mm/memblock.c b/mm/memblock.c
index 40ca30bfa387..2a2b1fe4b659 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -2074,10 +2074,8 @@ void __init reset_all_zones_managed_pages(void)
 
 /**
  * memblock_free_all - release free pages to the buddy allocator
- *
- * Return: the number of pages actually released.
  */
-unsigned long __init memblock_free_all(void)
+void __init memblock_free_all(void)
 {
 	unsigned long pages;
 
@@ -2086,8 +2084,6 @@ unsigned long __init memblock_free_all(void)
 
 	pages = free_low_memory_core_early();
 	totalram_pages_add(pages);
-
-	return pages;
 }
 
 #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_ARCH_KEEP_MEMBLOCK)
-- 
2.25.1





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