On Mon, 2 Dec 2024 09:03:45 +0800 Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > >>> WARNING: the patch is only build tested. > >> > >> I'm holding this patch in mm-unstable because it's unclear (to me) that > >> this regression has been adequately addressed? > > > > Yes. This patch isn't ready to be merged yet. More works are needed to > > root cause the problem and implement the proper fix. I guess that > > Kefeng will continue to work on this. > > Sorry for the late, I've been buried in other tasks. > > The two bugfix patches in the next should be merged firstly, which is > not related about the performance issue. > > 84ddd1450383 mm: use aligned address in copy_user_gigantic_page() > 9fbd869b19b8 mm: use aligned address in clear_gigantic_page() > > > and according to the suggestion of Ying, I am trying to fix the > performance issue on arm64(will in new series), but I need to check no > regression on other arm64's machine, will send the new patches once > the test is complete. > > So Andrew, please help to pick up the above two bugfix patches to > v6.13-rcX if no objection. I added cc:stable to both and moved them into mm-hotfixes-unstable, targeting an upstream merge next week. "mm: use aligned address in clear_gigantic_page()": https://lkml.kernel.org/r/20241028145656.932941-1-wangkefeng.wang@xxxxxxxxxx "mm: use aligned address in copy_user_gigantic_page()": https://lkml.kernel.org/r/20241028145656.932941-2-wangkefeng.wang@xxxxxxxxxx
