From ceb683d3bc36f213aeef0c5d79e6fbb1e16bd459 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Thu, 25 Mar 2010 18:47:20 +0000
Subject: [PATCH] ARM: Ensure meminfo is sorted prior to sanity_check_meminfo

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mm/init.c | 10 ----------
 arch/arm/mm/mmu.c  | 10 ++++++++++
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 7829cb5425f..8bbb9a972e7 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -15,7 +15,6 @@
 #include <linux/mman.h>
 #include <linux/nodemask.h>
 #include <linux/initrd.h>
-#include <linux/sort.h>
 #include <linux/highmem.h>
 
 #include <asm/mach-types.h>
@@ -387,21 +386,12 @@ static void arm_memory_present(struct meminfo *mi, int node)
 }
 #endif
 
-static int __init meminfo_cmp(const void *_a, const void *_b)
-{
-	const struct membank *a = _a, *b = _b;
-	long cmp = bank_pfn_start(a) - bank_pfn_start(b);
-	return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
-}
-
 void __init bootmem_init(void)
 {
 	struct meminfo *mi = &meminfo;
 	unsigned long min, max_low, max_high;
 	int node, initrd_node;
 
-	sort(&mi->bank, mi->nr_banks, sizeof(mi->bank[0]), meminfo_cmp, NULL);
-
 	/*
 	 * Locate which node contains the ramdisk image, if any.
 	 */
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9d4da6ac28e..91547196915 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -14,6 +14,7 @@
 #include <linux/bootmem.h>
 #include <linux/mman.h>
 #include <linux/nodemask.h>
+#include <linux/sort.h>
 
 #include <asm/cputype.h>
 #include <asm/mach-types.h>
@@ -1013,6 +1014,13 @@ static void __init kmap_init(void)
 #endif
 }
 
+static int __init meminfo_cmp(const void *_a, const void *_b)
+{
+	const struct membank *a = _a, *b = _b;
+	long cmp = bank_pfn_start(a) - bank_pfn_start(b);
+	return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
+}
+
 /*
  * paging_init() sets up the page tables, initialises the zone memory
  * maps, and sets up the zero page, bad page and bad page tables.
@@ -1021,6 +1029,8 @@ void __init paging_init(struct machine_desc *mdesc)
 {
 	void *zero_page;
 
+	sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
+
 	build_mem_type_table();
 	sanity_check_meminfo();
 	prepare_page_table();
-- 
2.41.0