From: Michal Hocko <mhocko@suse.com>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
akpm@linux-foundation.org, linux-mm@kvack.org
Subject: Re: [PATCH] mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section()
Date: Wed, 28 Nov 2018 13:34:06 +0100 [thread overview]
Message-ID: <20181128123406.GK6923@dhcp22.suse.cz> (raw)
In-Reply-To: <20181128084729.jozab2gaej5vh7ig@master>
On Wed 28-11-18 08:47:29, Wei Yang wrote:
[...]
> The mem_section[root] still has a chance to face the contention here.
_If_ that is really the case then we need a dedicated lock rather than
rely on pgdat which doesn't even make sense for sparsemem internal.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2018-11-28 12:34 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 2:36 Wei Yang
2018-11-27 6:25 ` Michal Hocko
2018-11-27 7:17 ` Dave Hansen
2018-11-27 7:30 ` Michal Hocko
2018-11-27 7:52 ` osalvador
2018-11-27 8:00 ` Michal Hocko
2018-11-27 8:18 ` osalvador
2018-11-28 0:29 ` Wei Yang
2018-11-28 8:19 ` Oscar Salvador
2018-11-28 8:41 ` Wei Yang
2018-11-28 1:01 ` Wei Yang
2018-11-28 8:47 ` Wei Yang
2018-11-28 9:17 ` Wei Yang
2018-11-28 12:34 ` Michal Hocko [this message]
2018-11-28 9:12 ` [PATCH v2] " Wei Yang
2018-11-28 10:28 ` David Hildenbrand
2018-11-29 8:54 ` Michal Hocko
2018-11-29 9:29 ` Wei Yang
2018-11-29 15:53 ` [PATCH v3 1/2] " Wei Yang
2018-11-29 15:53 ` [PATCH v3 2/2] mm, sparse: pass nid instead of pgdat to sparse_add_one_section() Wei Yang
2018-11-29 16:01 ` David Hildenbrand
2018-11-30 1:22 ` Wei Yang
2018-11-30 9:20 ` David Hildenbrand
2018-11-29 17:15 ` Michal Hocko
2018-11-29 23:57 ` Wei Yang
2018-11-29 16:06 ` [PATCH v3 1/2] mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section() David Hildenbrand
2018-11-29 17:17 ` Michal Hocko
2018-11-30 4:28 ` Wei Yang
2018-11-30 9:19 ` David Hildenbrand
2018-11-30 9:52 ` Michal Hocko
2018-12-04 8:53 ` Wei Yang
2018-12-01 0:31 ` Wei Yang
2018-12-03 11:25 ` David Hildenbrand
2018-12-03 21:06 ` Wei Yang
2018-11-29 17:14 ` Michal Hocko
2018-12-04 8:56 ` [PATCH v4 " Wei Yang
2018-12-04 8:56 ` [PATCH v4 2/2] mm, sparse: pass nid instead of pgdat to sparse_add_one_section() Wei Yang
2018-12-04 9:24 ` [PATCH v4 1/2] mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section() David Hildenbrand
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