Re: [PATCH -next] mm/kmemleak: increase the max mem pool to 1M

From: Catalin Marinas
Date: Thu Aug 15 2019 - 04:58:23 EST


On Wed, Aug 14, 2019 at 02:32:52PM -0400, Qian Cai wrote:
> There are some machines with slow disk and fast CPUs. When they are
> under memory pressure, it could take a long time to swap before the OOM
> kicks in to free up some memory. As the results, it needs a large
> mem pool for kmemleak or suffering from higher chance of a kmemleak
> metadata allocation failure. 524288 proves to be the good number for all
> architectures here. Increase the upper bound to 1M to leave some room
> for the future.
>
> Signed-off-by: Qian Cai <cai@xxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>