mm/SH: prepare for killing free_all_bootmem_node()

Prepare for killing free_all_bootmem_node() by using free_all_bootmem().

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 12 deletions

diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index c9a517c8bbb6..33890fd267cb 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -412,19 +412,11 @@ void __init mem_init(void)
         iommu_init();
 
         high_memory = NULL;
+        for_each_online_pgdat(pgdat)
+                high_memory = max_t(void *, high_memory,
+                                    __va(pgdat_end_pfn(pgdat) << PAGE_SHIFT));
 
-        for_each_online_pgdat(pgdat) {
-                void *node_high_memory;
-
-                if (pgdat->node_spanned_pages)
-                        free_all_bootmem_node(pgdat);
-
-                node_high_memory = (void *)__va((pgdat->node_start_pfn +
-                                                 pgdat->node_spanned_pages) <<
-                                                 PAGE_SHIFT);
-                if (node_high_memory > high_memory)
-                        high_memory = node_high_memory;
-        }
+        free_all_bootmem();
 
         /* Set this up early, so we can take care of the zero page */
         cpu_cache_init();