[PATCH 20/21] MIPS memblock: Add free low memory test method call

From: Serge Semin
Date: Sun Dec 18 2016 - 21:15:53 EST


Right after all the necessary reservations are done, free memory
regions can be tested if it is activated with "memtest" parameter.

Signed-off-by: Serge Semin <fancer.lancer@xxxxxxxxx>
---
arch/mips/mm/init.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 35e7ba8..ccc0e96 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -452,6 +452,12 @@ void maar_init(void)

void __init paging_init(void)
{
+ /*
+ * Test low memory registered within memblock. The method shall test
+ * valid and free memory only
+ */
+ early_memtest(PFN_PHYS(min_low_pfn), PFN_PHYS(max_low_pfn));
+
/* Initialize page tables */
pagetable_init();

--
2.6.6