linux-kernel - Re: [PATCH 2/2] mm, THP: Clean up return value of madvise_free_huge

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Message-ID: <20160629072708.GC18523@bbox>
Date:	Wed, 29 Jun 2016 16:27:08 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	"Huang, Ying" <ying.huang@...el.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Jerome Marchand <jmarchan@...hat.com>,
	Matthew Wilcox <willy@...ux.intel.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Dan Williams <dan.j.williams@...el.com>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Ebru Akagunduz <ebru.akagunduz@...il.com>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: [PATCH 2/2] mm, THP: Clean up return value of
 madvise_free_huge_pmd

On Tue, Jun 28, 2016 at 10:36:30AM -0700, Huang, Ying wrote:
> From: Huang Ying <ying.huang@...el.com>
> 
> The definition of return value of madvise_free_huge_pmd is not clear
> before.  According to the suggestion of Minchan Kim, change the type of
> return value to bool and return true if we do MADV_FREE successfully on
> entire pmd page, otherwise, return false.  Comments are added too.
> 
> Cc: Minchan Kim <minchan@...nel.org>
> Signed-off-by: "Huang, Ying" <ying.huang@...el.com>
Acked-by: Minchan Kim <minchan@...nel.org>