21 Feb
2019
21 Feb
'19
3:30 p.m.
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.