Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6cfa062f01b601206b980e503f62dc593ed8fcaa
Commit: 6cfa062f01b601206b980e503f62dc593ed8fcaa
Parent: d768281e97a403815467102bc4b677f6c425a42b
Author: Ken'ichi Ohmichi <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 23:27:28 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 08:42:54 2007 -0700
add-vmcore: add nodemask_t's size and NR_FREE_PAGES's value to
vmcoreinfo_data
[2/3] Add nodemask_t's size and NR_FREE_PAGES's value to vmcoreinfo_data.
The dump filetering command 'makedumpfile'(v1.1.6 or before) had assumed
the above values, and it was not good from the reliability viewpoint.
So makedumpfile v1.2.0 came to need these values and I created the patch
to let the kernel output them.
makedumpfile site:
https://sourceforge.net/projects/makedumpfile/
Signed-off-by: Ken'ichi Ohmichi <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
include/linux/kexec.h | 5 +++++
kernel/kexec.c | 2 ++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 8333745..db15a94 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -132,11 +132,16 @@ unsigned long paddr_vmcoreinfo_note(void);
#define SIZE(name) \
vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \
(unsigned long)sizeof(struct name))
+#define TYPEDEF_SIZE(name) \
+ vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \
+ (unsigned long)sizeof(name))
#define OFFSET(name, field) \
vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
(unsigned long)&(((struct name *)0)->field))
#define LENGTH(name, value) \
vmcoreinfo_append_str("LENGTH(%s)=%lu\n", #name, (unsigned long)value)
+#define NUMBER(name) \
+ vmcoreinfo_append_str("NUMBER(%s)=%ld\n", #name, (long)name)
#define CONFIG(name) \
vmcoreinfo_append_str("CONFIG_%s=y\n", #name)
diff --git a/kernel/kexec.c b/kernel/kexec.c
index b979b01..578bde9 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1218,6 +1218,7 @@ static int __init crash_save_vmcoreinfo_init(void)
SIZE(zone);
SIZE(free_area);
SIZE(list_head);
+ TYPEDEF_SIZE(nodemask_t);
OFFSET(page, flags);
OFFSET(page, _count);
OFFSET(page, mapping);
@@ -1237,6 +1238,7 @@ static int __init crash_save_vmcoreinfo_init(void)
OFFSET(list_head, next);
OFFSET(list_head, prev);
LENGTH(zone.free_area, MAX_ORDER);
+ NUMBER(NR_FREE_PAGES);
arch_crash_save_vmcoreinfo();
-
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