On Fri, 9 Jul 2021, Joe Perches wrote: > Here is a cocci script to convert various types of bitmap allocations > that use BITS_TO_LONGS to the more typical bitmap_alloc functions. > > Perhaps something like it could be added to scripts/coccinelle. > The diff produced by the script is also below. > > $ cat bitmap_allocs.cocci > // typical uses of bitmap allocations > > @@ > expression val; > expression e1; > expression e2; > @@ > > - val = kcalloc(BITS_TO_LONGS(e1), sizeof(\(long\|unsigned long\)), e2) > + val = bitmap_zalloc(e1, e2) > > @@ > expression val; > expression e1; > expression e2; > @@ > > - val = kcalloc(BITS_TO_LONGS(e1), sizeof(*val), e2) > + val = bitmap_zalloc(e1, e2) Is there something that guarantees that val has a type that has a size that is the same as a long? julia
