On Mon, 2020-04-06 at 17:26 +0100, David Howells wrote: > Joe Perches <joe@xxxxxxxxxxx> wrote: > > > While I agree with Linus about the __ prefix, > > the z is pretty common and symmetric to all > > the <foo>zalloc uses. > > > > And if _sensitive is actually used, it'd be > > good to do a s/kzfree/kfree_sensitive/ one day > > sooner than later. > > How much overhead would it be to always use kvfree_sensitive() and never have > a kfree_sensitive()? I believe the is_vmalloc_addr not particularly expensive as it's just 2 tests. It might make sense to go back to static inline is_vmalloc_addr instead of using EXPORT_SYMBOL
