> On Jul 27, 2019, at 6:13 AM, Catalin Marinas <catalin.marinas@xxxxxxx> wrote: > > On Tue, Jul 16, 2019 at 02:23:30PM -0400, Qian Cai wrote: >> As mentioned in anther thread, the situation for kmemleak under memory pressure >> has already been unhealthy. I don't feel comfortable to make it even worse by >> reverting this commit alone. This could potentially make kmemleak kill itself >> easier and miss some more real memory leak later. >> >> To make it really a short-term solution before the reverting, I think someone >> needs to follow up with the mempool solution with tunable pool size mentioned >> in, >> >> https://lore.kernel.org/linux-mm/20190328145917.GC10283@xxxxxxxxxxxxxxxxxxxx/ > > Before my little bit of spare time disappears, let's add the tunable to > the mempool size so that I can repost the patch. Are you ok with a > kernel cmdline parameter or you'd rather change it at runtime? The > latter implies a minor extension to mempool to allow it to refill on > demand. I'd personally go for the former. Agreed. The cmdline is good enough.