On Tue, 2019-11-26 at 10:19 +0100, Nicolas Saenz Julienne wrote:

Some users need to make sure their rounding function accepts and returns
64bit long variables regardless of the architecture. Sadly
roundup/rounddown_pow_two() takes and returns unsigned longs. Create a
new generic 64bit variant of the function and cleanup rougue custom
implementations.

Signed-off-by: Nicolas Saenz Julienne <redacted>

Small Nit: I corrected the patch subject for next version.

linux/log2.h: Add roundup/rounddown_pow_two_u64() family of functions

Note the change here:                      ^^^^

Regards,
Nicolas