x86: enable memory tester support on 32-bit

only supports memory below max_low_pfn.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 9689a5138e64..3eeab6d0065f 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -844,6 +844,9 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
                 reserve_early(table_start << PAGE_SHIFT,
                                  table_end << PAGE_SHIFT, "PGTABLE");
 
+        if (!after_init_bootmem)
+                early_memtest(start, end);
+
         return end >> PAGE_SHIFT;
 }