Re: [PATCH] mm/vmalloc: Extend find_vmap_lowest_match_check with extra arguments

[Song Liu]

On Wed, Aug 31, 2022 at 4:01 PM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, 30 Aug 2022 22:27:34 -0700 Song Liu <song@xxxxxxxxxx> wrote:
>
> > find_vmap_lowest_match() is now able to handle different roots. Make
> > similar changes to find_vmap_lowest_match_check() and
> > find_vmap_lowest_linear_match() to handle different trees.
>
> What are the runtime effects of this change?

The code is gated by DEBUG_AUGMENT_LOWEST_MATCH_CHECK. It
is only compiled when the developer enables it explicitly. Therefore,
there isn't
any runtime effect.

Thanks,
Song