On Thu, Oct 24, 2024 at 09:19:41PM +0800, Yu Kuai wrote: > From: Yu Kuai <yukuai3@xxxxxxxxxx> > > Fix patch is patch 27, relied patches are from: > > - patches from set [1] to add helpers to maple_tree, the last patch to > improve fork() performance is not backported; So things slowed down? > - patches from set [2] to change maple_tree, and follow up fixes; > - patches from set [3] to convert offset_ctx from xarray to maple_tree; > > Please notice that I'm not an expert in this area, and I'm afraid to > make manual changes. That's why patch 16 revert the commit that is > different from mainline and will cause conflict backporting new patches. > patch 28 pick the original mainline patch again. > > (And this is what we did to fix the CVE in downstream kernels). > > [1] https://lore.kernel.org/all/20231027033845.90608-1-zhangpeng.00@xxxxxxxxxxxxx/ > [2] https://lore.kernel.org/all/20231101171629.3612299-2-Liam.Howlett@xxxxxxxxxx/T/ > [3] https://lore.kernel.org/all/170820083431.6328.16233178852085891453.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ This series looks rough. I want to have the maintainers of these files/subsystems to ack this before being able to take them. thanks, greg k-h
