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

From	Serge Semin <fancer.lancer@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 20/21] MIPS memblock: Add free low memory test method call
Date	2016-12-19 03:20 +0100
Message-ID	<sPVIu-1Cr-31@gated-at.bofh.it> (permalink)
References	<sPVyO-1zj-23@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

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@gmail.com>
---
 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

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH 20/21] MIPS memblock: Add free low memory test method call Serge Semin <fancer.lancer@gmail.com> - 2016-12-19 03:20 +0100

csiph-web