Re: [PATCH v3] mm, slub: change run-time assertion in kmalloc_index() to compile-time

Hyeonggon Yoo
2021-05-19T05:50:15Z

On Tue, May 18, 2021 at 01:34:07PM +0200, Vlastimil Babka wrote:
> On 5/18/21 1:18 PM, Hyeonggon Yoo wrote:
> > On Tue, May 18, 2021 at 11:28:17AM +0200, Vlastimil Babka wrote:
> >> On 5/18/21 2:43 AM, Nathan Chancellor wrote:
> >> > On 5/17/2021 5:38 PM, Hyeonggon Yoo wrote:
> >> >> On Sat, May 15, 2021 at 11:34:49PM -0700, Nathan Chancellor wrote:
> >> >>> This should work I think:
> >> >>
> >> >> compiled well with clang-10.0.1, clang-11.0.0,
> >> >> and gcc-10.2.0 with x86_64 default config.
> >> >>
> >> >> is the condition CONFIG_CLANG_VERSION > 110000,
> >> >> not including 110000 it self?
> >>
> >> Good spot.
> >
> > Thanks!
> >
> >> > Ah sorry, that should definitely be >= :(
> >> >
> >> > That is what I get for writing an email that late... in reality, it probably
> >> > won't matter due to the availability of 11.0.1 and 11.1.0 but it should
> >> > absolutely be changed.
> >> >
> >> > I have not given Nick's patch a go yet but would something like this be
> >> > acceptable?
> >>
> >> Yes.
> >
> > You mean Nick's patch to added with Nathan's code?
>
> No, I thought Nathan was asking about his own proposal. I don't think Nick's
> patch that adds 26 index solves the issue. Nathan's proposal fixed with '>=' is OK.

Ah, Okay! I sent the patch.

Thanks,
Hyeonggon