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authorKen'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>2008-02-07 00:15:22 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-07 08:42:25 -0800
commit1e4f2955433231b4b02dc4a9eb5d4d403a8680e1 (patch)
tree8414e9b4b5b22f201cbd993630d8ac13a98cd24c /include
parentc76f860c44357f560a763d2894e95464cab7b159 (diff)
vmcoreinfo: use the existing offsetof() for VMCOREINFO_OFFSET()
It is better that the existing offsetof() is used for VMCOREINFO_OFFSET(). This discussion is the following: http://www.ussg.iu.edu/hypermail/linux/kernel/0709.3/0584.html Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Acked-by: Simon Horman <horms@verge.net.au> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kexec.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 39112a0e469..cbc3cd7e11c 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -137,7 +137,7 @@ unsigned long paddr_vmcoreinfo_note(void);
(unsigned long)sizeof(struct name))
#define VMCOREINFO_OFFSET(name, field) \
vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \
- (unsigned long)&(((struct name *)0)->field))
+ (unsigned long)offsetof(struct name, field))
#define VMCOREINFO_LENGTH(name, value) \
vmcoreinfo_append_str("LENGTH(%s)=%lu\n", #name, (unsigned long)value)
#define VMCOREINFO_NUMBER(name) \