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always reserve elfcore header memory in crash kernel 

elfcore header memory needs to be reserved in a crash kernel.  This means
that the relevant code should be protected by CONFIG_CRASH_DUMP rather
than CONFIG_PROC_VMCORE.

Signed-off-by: Simon Horman <horms@verge.net.au>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Simon Horman 2008-10-18 20:28:29 -07:00 committed by Linus Torvalds
parent 85a0ee342e
commit d9a9855d0b
2 changed files with 2 additions and 4 deletions
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2
arch/ia64/kernel/efi.c
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@ -1335,7 +1335,7 @@ kdump_find_rsvd_region (unsigned long size, struct rsvd_region *r, int n)
}
#endif
#ifdef CONFIG_PROC_VMCORE
#ifdef CONFIG_CRASH_DUMP
/* locate the size find a the descriptor at a certain address */
unsigned long __init
vmcore_find_descriptor_size (unsigned long address)

4
arch/ia64/kernel/setup.c
View File

@ -352,7 +352,7 @@ reserve_memory (void)
}
#endif
#ifdef CONFIG_PROC_VMCORE
#ifdef CONFIG_CRASH_KERNEL
if (reserve_elfcorehdr(&rsvd_region[n].start,
&rsvd_region[n].end) == 0)
n++;
@ -496,9 +496,7 @@ static int __init parse_elfcorehdr(char *arg)
return 0;
}
early_param("elfcorehdr", parse_elfcorehdr);
#endif
#ifdef CONFIG_PROC_VMCORE
int __init reserve_elfcorehdr(unsigned long *start, unsigned long *end)
{
unsigned long length;