kernel.h: add {min,max}3 macros

Introduce two additional min/max macros to compare three operands.  This
will save some cycles as well as some bytes on the stack and last but not
least more pleasing as macro nesting.

[[email protected]: fix warnings]
Signed-off-by: Hagen Paul Pfeifer <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Hartley Sweeten <[email protected]>
Cc: Russell King <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Sean Hefty <[email protected]>
Cc: Pekka Enberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions