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SubjectRe: [PATCH 4.19 23/30] x86_64: increase stack size for KASAN_EXTRA
On Thu, Feb 21, 2019 at 06:30:08PM +0300, Andrey Ryabinin wrote:
>
>
> On 2/21/19 6:26 PM, Greg Kroah-Hartman wrote:
> > On Thu, Feb 21, 2019 at 06:00:06PM +0300, Andrey Ryabinin wrote:
> >> On 2/21/19 5:36 PM, Greg Kroah-Hartman wrote:
> >>> 4.19-stable review patch. If anyone has any objections, please let me know.
> >>>
> >>
> >> Drop it please. It increases kernel stack up to 4-order which is above PAGE_ALLOC_COSTLY_ORDER.
> >> This changes behavior of the fork() by making it fail with -ENOMEM due of high memory fragmentation.
> >>
> >> The patch that removes KASAN_EXTRA (not in Linus's tree yet) would be a better fix for the problem.
> >
> > Ok, should this also be dropped from 4.20.y?
> >
>
> Yes.

Great, now dropped from both.

thanks,

greg k-h

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