linux-kernel - [PATCH v2 0/2] mm, thp: two THP splitting performance fixes

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Message-Id: <1403044679-9993-1-git-send-email-Waiman.Long@hp.com>
Date:	Tue, 17 Jun 2014 18:37:57 -0400
From:	Waiman Long <Waiman.Long@...com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Scott J Norton <scott.norton@...com>,
	Waiman Long <Waiman.Long@...com>
Subject: [PATCH v2 0/2] mm, thp: two THP splitting performance fixes

v1->v2:
 - Add a second patch to replace smp_mb() by smp_mb__after_atomic().
 - Add performance data to the first patch

This mini-series contains 2 minor changes to the transparent huge
page splitting code to split its performance, particularly for the
x86 architecture.

Waiman Long (2):
  mm, thp: move invariant bug check out of loop in
    __split_huge_page_map
  mm, thp: replace smp_mb after atomic_add by smp_mb__after_atomic

 mm/huge_memory.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

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