Re: [patch v3] mm, oom: fix unnecessary killing of additional processes

From: penguin-kernel
Date: Tue Jul 03 2018 - 22:27:02 EST

David Rientjes wrote:
> Ping?
> This can be something that can easily be removed if it becomes obsoleted
> because the oom reaper is always able to free memory to the extent of
> exit_mmap(). I argue that it cannot, because it cannot do free_pgtables()
> for large amounts of virtual memory, but am fine to be proved wrong.

This is "[PATCH 3/8] mm,oom: Fix unnecessary killing of additional processes." in my series.

> In the meantime, however, this patch should introduce no significant
> change in functionality and the only interface it is added is in debugfs
> and can easily be removed if it is obsoleted.
> The work to make the oom reaper more effective or realible can still
> continue with this patch.