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Re: [PATCH] mm: terminate shrink_slab loop if signal is pending




On Wed,  6 Dec 2017 11:20:26 -0800 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:

> Slab shrinkers can be quite time consuming and when signal
> is pending they can delay handling of the signal. If fatal
> signal is pending there is no point in shrinking that process
> since it will be killed anyway. This change checks for pending
> fatal signals inside shrink_slab loop and if one is detected
> terminates this loop early.

Some quantification of "quite time consuming" and "delay" would be
interesting, please.