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SubjectRe: [PATCH 1/1 v4] arm: fault.c: Port OOM changes into do_page_fault

> These changes reduce the mmap_sem hold time, which is crucial
> during OOM killer invocation.
> Port these changes to ARM.

Did anyone get a chance to look at version 4 of this patch ?

I have incorporated changes as suggested by Russell during version 3 review.

Can I improve this patch in any way ?

> Without these changes, my ARM board encounters many hang and livelock
> scenarios.
> After applying this patch, OOM feature performance improves according to
> my testing.

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