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Commit de9330d1 authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Linus Torvalds
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log2.h: Define order_base_2() macro for convenience.


Given a number of places in the tree that need to calculate this value
explicitly, might as well just create a macro for it.

(akpm: must be implemented as a macro for callee typeof() usage)

Signed-off-by: default avatarRobert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 582539e5
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