[PATCH] ARC: fix memory nodes topology in case of highmem enabled

2019-04-01 Thread Eugeniy Paltsev
Tweak generic node topology in case of CONFIG_HIGHMEM enabled to prioritize allocations from ZONE_HIGHMEM to avoid ZONE_NORMAL pressure. Signed-off-by: Eugeniy Paltsev --- Tested on both NSIM and HSDK (require memory apertures remmaping and device tree patching) arch/arc/include/asm/Kbuild

Re: [PATCH] ARC: fix memory nodes topology in case of highmem enabled

2019-04-03 Thread Vineet Gupta
On 4/1/19 11:43 AM, Eugeniy Paltsev wrote: > Tweak generic node topology in case of CONFIG_HIGHMEM enabled to > prioritize allocations from ZONE_HIGHMEM to avoid ZONE_NORMAL > pressure. Can you explain the "pressure" part a bit more concretely - as in when did you saw crashes, oom, yadi yada