On Wed, Sep 14, 2022 at 08:46:15AM +0800, yong w wrote: > Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> 于2022年9月13日周二 21:54写道： > > > > > On Tue, Sep 13, 2022 at 09:09:47PM +0800, yong wrote: > > > Hello, > > > This patch is required to be patched in linux-5.4.y and linux-4.19.y. > > > > What is "this patch"? There is no context here :( > > > Sorry, I forgot to quote the original patch. the patch is as follows > > f27ce0e page_alloc: consider highatomic reserve in watermark fast > > > > In addition to that, the following two patches are somewhat related: > > > > > > 3334a45 mm/page_alloc: use ac->high_zoneidx for classzone_idx > > > 9282012 page_alloc: fix invalid watermark check on a negative value > > > > In what way? What should be done here by us? > > > > I think these two patches should also be merged. > > The classzone_idx parameter is used in the zone_watermark_fast > functionzone, and 3334a45 use ac->high_zoneidx for classzone_idx. > "9282012 page_alloc: fix invalid watermark check on a negative > value" fix f27ce0e introduced issues Ok, I need an ack by all the developers involved in those commits, as well as the subsystem maintainer so that I know it's ok to take them. Can you provide a series of backported and tested patches so that they are easy to review? thanks, greg k-h
