On 04/11/2016 05:40 PM, Michal Hocko wrote:
Hi Andrew, Vlastimil has pointed out[1] that using compaction_withdrawn() for THP allocations has some non-trivial consequences. While I still think that the check is OK it is true we shouldn't sneak in a potential behavior change into something that basically provides an API. So can you fold the following partial revert into the original patch please? [1] http://lkml.kernel.org/r/570BB719.2030007@xxxxxxx --- From 71ddeee4238e33d67ef07883e73f946a7cc40e73 Mon Sep 17 00:00:00 2001 From: Michal Hocko <mhocko@xxxxxxxx> Date: Mon, 11 Apr 2016 17:38:22 +0200 Subject: [PATCH] ction-abstract-compaction-feedback-to-helpers-fix Preserve the original thp back off checks to not introduce any functional changes as per Vlastimil. Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
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