Messages in this thread | | | Subject | Re: [PATCH 4.19 23/30] x86_64: increase stack size for KASAN_EXTRA | From | Andrey Ryabinin <> | Date | Thu, 21 Feb 2019 18:30:08 +0300 |
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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.
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