Re: cocci script to convert linux-kernel allocs with BITS_TO_LONGS to bitmap_alloc

[Joe Perches]

On Tue, 2021-07-13 at 23:33 +0200, Julia Lawall wrote:
> > > 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.
> 
> I see that there is also a bitmap_free.  Maybe the rule should be
> introducing that as well?

Yes, but as far as I know, it's difficult for coccinelle to convert
the kfree() calls of any previous bitmap_alloc to bitmap_free as
most frequently the kfree() call is in a separate function.

Please do it if you know how, you're probably the best in the world
at coccinelle.  I don't know how...

cheers, Joe