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authorDenys Vlasenko <dvlasenk@redhat.com>2015-03-09 15:52:17 +0100
committerIngo Molnar <mingo@kernel.org>2015-03-17 09:25:28 +0100
commit3876488444e71238e287459c39d7692b6f718c3e (patch)
tree8526a5d193495a1707ffea70dcb7b0931a5981a9 /include/linux/stddef.h
parent5c39403e004bec75ce0c549541be5479595d6ad0 (diff)
include/stddef.h: Move offsetofend() from vfio.h to a generic kernel header
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>
Diffstat (limited to 'include/linux/stddef.h')
-rw-r--r--include/linux/stddef.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index f4aec0e75c3a..076af437284d 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -19,3 +19,12 @@ enum {
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
#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))