From: Oscar Salvador <osalvador@suse.de>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
Michal Hocko <mhocko@suse.com>,
akpm@linux-foundation.org, linux-mm@kvack.org,
owner-linux-mm@kvack.org
Subject: Re: [PATCH] mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section()
Date: Wed, 28 Nov 2018 09:19:27 +0100 [thread overview]
Message-ID: <1543393167.2911.2.camel@suse.de> (raw)
In-Reply-To: <20181128002952.x2m33nvlunzij5tk@master>
> My current idea is :
I do not want to hold you back.
I think that if you send a V2 detailing why we should be safe removing
the pgdat lock it is fine (memhotplug lock protects us).
We can later on think about the range locking, but that is another
discussion.
Sorry for having brought in that topic here, out of scope.
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2018-11-28 8:19 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 2:36 [PATCH] mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section() 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 [this message]
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
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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