Commit 6d9db847 authored Oct 25, 2019 by Patrick Daly

mm/oom-kill: Allow __GFP_RETRY_MAYFAIL to fail fast



This flag indicates that the memory request may fail, if
the system is low on memory. The caller is prepared to handle
this scenario.

Change-Id: Ie4be1f3048196a38946d08f7355e2673e097018c
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 2aacc297

mm/oom_kill.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -139,6 +139,9 @@ bool should_ulmk_retry(gfp_t gfp_mask)
		if (!sysctl_panic_on_oom)
		return false;

		if (gfp_mask & __GFP_RETRY_MAYFAIL)
		return false;

		/* Someone else is already checking. */
		if (!mutex_trylock(&ulmk_retry_lock))
		return true;