From: Neil Horman <nhorman@tuxdriver.com>
Date: Tue, 13 Jul 2010 03:46:09 +0000 (+0000)
Subject: powerpc: Add vmcoreinfo symbols to allow makdumpfile to filter core files properly
X-Git-Tag: v2.6.36-rc1~559^2~11
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=67238fb721639046b5d76488317522af4ece9d61;p=thirdparty%2Fkernel%2Flinux.git

powerpc: Add vmcoreinfo symbols to allow makdumpfile to filter core files properly

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>

 machine_kexec.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 6ff15f03dcc40..47905c0928619 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -45,6 +45,18 @@ void machine_kexec_cleanup(struct kimage *image)
 		ppc_md.machine_kexec_cleanup(image);
 }
 
+void arch_crash_save_vmcoreinfo(void)
+{
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+	VMCOREINFO_SYMBOL(node_data);
+	VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
+#endif
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+	VMCOREINFO_SYMBOL(contig_page_data);
+#endif
+}
+
 /*
  * Do not allocate memory (or fail in any way) in machine_kexec().
  * We are past the point of no return, committed to rebooting now.