From: Michal Hocko <mhocko@kernel.org>
To: Hugh Dickins <hughd@google.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
vbabka@suse.cz, rientjes@google.com, kirill@shutemov.name,
akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [v2 PATCH] mm: thp: fix false negative of shmem vma's THP eligibility
Date: Fri, 7 Jun 2019 16:25:25 +0200 [thread overview]
Message-ID: <20190607142525.GH18435@dhcp22.suse.cz> (raw)
In-Reply-To: <alpine.LSU.2.11.1906070314001.1938@eggly.anvils>
On Fri 07-06-19 03:57:18, Hugh Dickins wrote:
[...]
> The addition of "THPeligible" without an "Anon" in its name was
> unfortunate. I suppose we're two releases too late to change that.
Well, I do not really see any reason why THPeligible should be Anon
specific at all. Even if ...
> Applying process (PR_SET_THP_DISABLE) and mm (MADV_*HUGEPAGE)
> limitations to shared filesystem objects doesn't work all that well.
... this is what we are going with then it is really important to have a
single place to query the eligibility IMHO.
> I recommend that you continue to treat shmem objects separately from
> anon memory, and just make the smaps "THPeligible" more often accurate.
Agreed on this.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-06-07 14:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-23 16:43 [v2 PATCH] mm: thp: fix false negative of shmem vma's THP eligibility Yang Shi
2019-04-23 17:52 ` Michal Hocko
2019-04-23 18:34 ` Yang Shi
2019-04-24 0:22 ` Yang Shi
2019-04-24 7:58 ` Michal Hocko
2019-04-28 19:13 ` Yang Shi
2019-05-06 23:37 ` Yang Shi
2019-05-07 10:47 ` Michal Hocko
2019-05-07 17:10 ` Yang Shi
2019-06-06 18:59 ` Yang Shi
2019-06-07 10:57 ` Hugh Dickins
2019-06-07 14:25 ` Michal Hocko [this message]
2019-06-07 18:51 ` Yang Shi
2019-04-24 13:10 ` Vlastimil Babka
2019-04-24 15:47 ` Yang Shi
2019-04-24 16:17 ` Vlastimil Babka
2019-04-25 16:44 ` Yang Shi
2019-06-08 3:58 ` Hugh Dickins
2019-06-10 17:33 ` Yang Shi
2019-06-12 18:44 ` Hugh Dickins
2019-06-12 19:59 ` Yang Shi
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