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From: William Kucharski <william.kucharski@oracle.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-api@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	Michal Hocko <mhocko@suse.com>
Subject: Re: [RFC PATCH 3/3] mm, proc: report PR_SET_THP_DISABLE in proc
Date: Mon, 26 Nov 2018 17:33:32 -0700
Message-ID: <0ACDD94B-75AD-4DD0-B2E3-32C0EDFBAA5E@oracle.com> (raw)
In-Reply-To: <20181120103515.25280-4-mhocko@kernel.org>



This determines whether the page can theoretically be THP-mapped , but is the intention to also check for proper alignment and/or preexisting PAGESIZE page cache mappings for the address range?

I'm having to deal with both these issues in the text page THP prototype I've been working on for some time now.

    Thanks,
         William Kucharski

  parent reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-20 10:35 [RFC PATCH 0/3] THP eligibility reporting via proc Michal Hocko
2018-11-20 10:35 ` [RFC PATCH 1/3] mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps Michal Hocko
2018-11-20 10:51   ` Jan Kara
2018-11-20 11:41     ` Michal Hocko
2018-11-21  0:01     ` David Rientjes
2018-11-21  6:56       ` Michal Hocko
2018-11-20 18:32   ` Dan Williams
2018-11-21  7:05     ` Michal Hocko
2018-11-21 18:01       ` Mike Rapoport
2018-11-21 17:54   ` Mike Rapoport
2018-11-21 17:58     ` Michal Hocko
2018-11-23 13:47   ` Vlastimil Babka
2018-11-20 10:35 ` [RFC PATCH 2/3] mm, thp, proc: report THP eligibility for each vma Michal Hocko
2018-11-20 11:42   ` Michal Hocko
2018-11-23 15:07   ` Vlastimil Babka
2018-11-23 15:21     ` Michal Hocko
2018-11-23 15:24       ` Vlastimil Babka
2018-11-20 10:35 ` [RFC PATCH 3/3] mm, proc: report PR_SET_THP_DISABLE in proc Michal Hocko
2018-11-20 11:42   ` Michal Hocko
2018-11-23 15:49   ` Vlastimil Babka
2018-11-27  0:33   ` William Kucharski [this message]
2018-11-27 13:17     ` Michal Hocko
2018-11-27 14:50       ` William Kucharski
2018-11-27 16:25         ` Michal Hocko
2018-11-27 16:50         ` Vlastimil Babka
2018-11-27 17:06           ` William Kucharski
2018-12-07 10:55 ` [RFC PATCH 0/3] THP eligibility reporting via proc Michal Hocko

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