summaryrefslogtreecommitdiffstats
path: root/arch/x86/mm/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/mm/init.c')
-rw-r--r--arch/x86/mm/init.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index c7a47603537f..e26f5c5c6565 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -596,7 +596,7 @@ static unsigned long __init get_new_step_size(unsigned long step_size)
static void __init memory_map_top_down(unsigned long map_start,
unsigned long map_end)
{
- unsigned long real_end, start, last_start;
+ unsigned long real_end, last_start;
unsigned long step_size;
unsigned long addr;
unsigned long mapped_ram_size = 0;
@@ -609,7 +609,7 @@ static void __init memory_map_top_down(unsigned long map_start,
step_size = PMD_SIZE;
max_pfn_mapped = 0; /* will get exact value next */
min_pfn_mapped = real_end >> PAGE_SHIFT;
- last_start = start = real_end;
+ last_start = real_end;
/*
* We start from the top (end of memory) and go to the bottom.
@@ -618,6 +618,8 @@ static void __init memory_map_top_down(unsigned long map_start,
* for page table.
*/
while (last_start > map_start) {
+ unsigned long start;
+
if (last_start > step_size) {
start = round_down(last_start - 1, step_size);
if (start < map_start)