[PATCH stable-4.19 0/3] page_alloc: consider highatomic reserve in watermark fast backports to 4.19

Here are the corresponding backports to 4.19. And fix classzone_idx context differences causing patch merge conflicts.

Jaewon Kim (2): page_alloc: consider highatomic reserve in watermark fast page_alloc: fix invalid watermark check on a negative value

Joonsoo Kim (1): mm/page_alloc: use ac->high_zoneidx for classzone_idx

mm/internal.h | 2 +- mm/page_alloc.c | 69 +++++++++++++++++++++++++++++++++------------------------ 2 files changed, 41 insertions(+), 30 deletions(-)