Re: [PATCH v4] page_alloc: consider highatomic reserve in watermark fast

[yong]

Hello,
This patch is required to be patched in linux-5.4.y and linux-4.19.y.

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

thanks.