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Commit c3b4adfa authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Save NUMA node data in vmcore for crash dumps. 



Presently the NUMA node data isn't saved on kexec. This implements a
simple arch_crash_save_vmcoreinfo() for saving off the relevant data.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 4b59c973

arch/sh/kernel/machine_kexec.c

+8 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/kexec.h>

#include <linux/delay.h>

#include <linux/reboot.h>

#include <linux/numa.h>

#include <asm/pgtable.h>

#include <asm/pgalloc.h>

#include <asm/mmu_context.h>
@@ -104,3 +105,10 @@ void machine_kexec(struct kimage *image) 
	(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);

}



void arch_crash_save_vmcoreinfo(void)

{

#ifdef CONFIG_NUMA

	VMCOREINFO_SYMBOL(node_data);

	VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);

#endif

}