bitops/find: clarify and extend documentation
bitops/find: clarify and extend documentation

Add return value documentation and clarify the units of the @size
parameter.

Signed-off-by: Cody P Schafer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@linux.vnet.ibm.com>
Cc: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>
Cc: Cody P Schafer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs