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include/stddef.h: Move offsetofend() from vfio.h to a generic kernel header

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commit 3876488444e71238e287459c39d7692b6f718c3e upstream.

Suggested by Andy.

Suggested-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1425912738-559-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[bwh: Backported to 3.2:
 - There is no definition in vfio.h to move
 - Put the definition inside the #ifdef __KERNEL__ section]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
This commit is contained in:
Denys Vlasenko
2015-03-09 15:52:17 +01:00
committed by andy.padavan
parent d682513852
commit 2cff779d75
1 changed files with 10 additions and 0 deletions
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10
trunk/linux-3.4.x/include/linux/stddef.h
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@@ -19,6 +19,16 @@ enum {
#else
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
/**
* offsetofend(TYPE, MEMBER)
*
* @TYPE: The type of the structure
* @MEMBER: The member within the structure to get the end offset of
*/
#define offsetofend(TYPE, MEMBER) \
(offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER))
#endif /* __KERNEL__ */
#endif