From: Chris Wilson Date: Fri, 11 Jul 2014 10:28:00 +0000 (+0100) Subject: drm/i915: Abandon oom quickly if killed by a signal X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a1db2fa7c8325a380792d66908b2f982cf047837;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Abandon oom quickly if killed by a signal Whilst waiting to obtain our locks for the last resort shrinking before an oom, we check whether or not a fatal signal was pending. If there was, we do not need to keep waiting as the oom will be aborted. Signed-off-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index e5d4d73a9844..ef047bce008d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -5194,8 +5194,11 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr) bool was_interruptible; bool unlock; - while (!i915_gem_shrinker_lock(dev, &unlock) && --timeout) + while (!i915_gem_shrinker_lock(dev, &unlock) && --timeout) { schedule_timeout_killable(1); + if (fatal_signal_pending(current)) + return NOTIFY_DONE; + } if (timeout == 0) { pr_err("Unable to purge GPU memory due lock contention.\n"); return NOTIFY_DONE;