mm: use roundown_pow_of_two() in zone_batchsize()
Use roundown_pow_of_two(N) in zone_batchsize() rather than (1 << (fls(N)-1)) as they are equivalent, and with the former it is easier to see what is going on. Signed-off-by:David Howells <dhowells@redhat.com> Tested-by:
Lanttor Guo <lanttor.guo@freescale.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
74614f8d
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