RE: [PATCH 0/3] make vm_committed_as_batch aware of vm overcommit policy

From: Kleen, Andi
Date: Thu May 28 2020 - 11:21:40 EST




>If it's true, then there could be 2 solutions, one is to skip the WARN_ONCE as it has no practical value, as the real >check is the following code, the other is to rectify the percpu counter when the policy is changing to >OVERCOMMIT_NEVER.

I think it's better to fix it up when the policy changes. That's the right place. The WARN_ON might be useful to catch other bugs.

-Andi