mm/page_ext: remove unused return value of offline_page_ext

Patch series "minor cleanups for page_ext".

This series contains some random minor cleanups for page_ext.  More
details can be found in respective patches.

This patch (of 3):

offline_page_ext always returns 0 and no caller checks the return value.
Just remove unused return value of offline_page_ext.

Link: https://lkml.kernel.org/r/20230714114749.1743032-1-shikemeng@huaweicloud.com
Link: https://lkml.kernel.org/r/20230714114749.1743032-2-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/page_ext.c b/mm/page_ext.c
index dc1626b..096451d 100644 (file)
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -430,7 +430,7 @@ static int __meminit online_page_ext(unsigned long start_pfn,
        return -ENOMEM;
 }
 
-static int __meminit offline_page_ext(unsigned long start_pfn,
+static void __meminit offline_page_ext(unsigned long start_pfn,
                                unsigned long nr_pages)
 {
        unsigned long start, end, pfn;
@@ -454,8 +454,6 @@ static int __meminit offline_page_ext(unsigned long start_pfn,
 
        for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION)
                __free_page_ext(pfn);
-       return 0;
-
 }
 
 static int __meminit page_ext_callback(struct notifier_block *self,