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authorChristophe Leroy <christophe.leroy@c-s.fr>2018-09-28 15:39:20 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2018-10-03 16:12:47 +1000
commitd90fe2acd9b2900790da01354dbca48dba37c20d (patch)
tree30ae59b131a1a7d1ee92c06150b55bb1770e4133
parent803d690e68f0c5230183f1a42c7d50a41d16e380 (diff)
powerpc: Wire up memtest
Add call to early_memtest() so that kernel compiled with CONFIG_MEMTEST really perform memtest at startup when requested via 'memtest' boot parameter. Tested-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt2
-rw-r--r--arch/powerpc/kernel/setup-common.c3
2 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 64a3bf54b974..1ab0797e4db6 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2404,7 +2404,7 @@
seconds. Use this parameter to check at some
other rate. 0 disables periodic checking.
- memtest= [KNL,X86,ARM] Enable memtest
+ memtest= [KNL,X86,ARM,PPC] Enable memtest
Format: <integer>
default : 0 <disable>
Specifies the number of memtest passes to be
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 93fa0c99681e..9ca9db707bcb 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -33,6 +33,7 @@
#include <linux/serial_8250.h>
#include <linux/percpu.h>
#include <linux/memblock.h>
+#include <linux/bootmem.h>
#include <linux/of_platform.h>
#include <linux/hugetlb.h>
#include <asm/debugfs.h>
@@ -966,6 +967,8 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
+ early_memtest(min_low_pfn << PAGE_SHIFT, max_low_pfn << PAGE_SHIFT);
+
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif