From: Andi Kleen <ak@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Ben Widawsky <ben.widawsky@intel.com>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>,
Dan Williams <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
David Hildenbrand <david@redhat.com>,
David Rientjes <rientjes@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Johannes Weiner <hannes@cmpxchg.org>,
Jonathan Corbet <corbet@lwn.net>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
Lee Schermerhorn <lee.schermerhorn@hp.com>,
Li Xinhai <lixinhai.lxh@gmail.com>,
Mel Gorman <mgorman@techsingularity.net>,
Michal Hocko <mhocko@kernel.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
Mina Almasry <almasrymina@google.com>, Tejun Heo <tj@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [PATCH 00/18] multiple preferred nodes
Date: Mon, 22 Jun 2020 15:02:11 -0700 [thread overview]
Message-ID: <20200622220211.GB818054@tassilo.jf.intel.com> (raw)
In-Reply-To: <882873cd-f1a7-090e-49a1-516bea529f76@intel.com>
> I think it's dangerous to go and actively break that promise. It means
> that newer apps will silently not get the behavior they ask for if they
> run on an old kernel.
That can happen any time anyways because they didn't use BIND,
so they better deal with it.
Don't see any point in making the API uglier just for this. Normally
we care more about real compatibility problems instead of abstract
promises.
-Andi
next prev parent reply other threads:[~2020-06-22 22:02 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-19 16:24 [PATCH 00/18] multiple preferred nodes Ben Widawsky
2020-06-19 16:24 ` [PATCH 01/18] mm/mempolicy: Add comment for missing LOCAL Ben Widawsky
2020-06-24 7:55 ` Michal Hocko
2020-06-19 16:24 ` [PATCH 02/18] mm/mempolicy: Use node_mem_id() instead of node_id() Ben Widawsky
2020-06-24 8:25 ` Michal Hocko
2020-06-24 16:48 ` Ben Widawsky
2020-06-26 12:30 ` Michal Hocko
2020-06-19 16:24 ` [PATCH 03/18] mm/page_alloc: start plumbing multi preferred node Ben Widawsky
2020-06-19 16:24 ` [PATCH 04/18] mm/page_alloc: add preferred pass to page allocation Ben Widawsky
2020-06-19 16:24 ` [PATCH 05/18] mm/mempolicy: convert single preferred_node to full nodemask Ben Widawsky
2020-06-19 16:24 ` [PATCH 06/18] mm/mempolicy: Add MPOL_PREFERRED_MANY for multiple preferred nodes Ben Widawsky
2020-06-19 16:24 ` [PATCH 07/18] mm/mempolicy: allow preferred code to take a nodemask Ben Widawsky
2020-06-19 16:24 ` [PATCH 08/18] mm/mempolicy: refactor rebind code for PREFERRED_MANY Ben Widawsky
2020-06-19 16:24 ` [PATCH 09/18] mm: Finish handling MPOL_PREFERRED_MANY Ben Widawsky
2020-06-19 16:24 ` [PATCH 10/18] mm: clean up alloc_pages_vma (thp) Ben Widawsky
2020-06-19 16:24 ` [PATCH 11/18] mm: Extract THP hugepage allocation Ben Widawsky
2020-06-19 16:24 ` [PATCH 12/18] mm/mempolicy: Use __alloc_page_node for interleaved Ben Widawsky
2020-06-19 16:24 ` [PATCH 13/18] mm: kill __alloc_pages Ben Widawsky
2020-06-19 16:24 ` [PATCH 14/18] mm/mempolicy: Introduce policy_preferred_nodes() Ben Widawsky
2020-06-19 16:24 ` [PATCH 15/18] mm: convert callers of __alloc_pages_nodemask to pmask Ben Widawsky
2020-06-19 16:24 ` [PATCH 16/18] alloc_pages_nodemask: turn preferred nid into a nodemask Ben Widawsky
2020-06-19 16:24 ` [PATCH 17/18] mm: Use less stack for page allocations Ben Widawsky
2020-06-19 16:24 ` [PATCH 18/18] mm/mempolicy: Advertise new MPOL_PREFERRED_MANY Ben Widawsky
2020-06-22 7:09 ` [PATCH 00/18] multiple preferred nodes Michal Hocko
2020-06-23 11:20 ` Michal Hocko
2020-06-23 16:12 ` Ben Widawsky
2020-06-24 7:52 ` Michal Hocko
2020-06-24 16:16 ` Ben Widawsky
2020-06-24 18:39 ` Michal Hocko
2020-06-24 19:37 ` Ben Widawsky
2020-06-24 19:51 ` Michal Hocko
2020-06-24 20:01 ` Ben Widawsky
2020-06-24 20:07 ` Michal Hocko
2020-06-24 20:23 ` Ben Widawsky
2020-06-24 20:42 ` Michal Hocko
2020-06-24 20:55 ` Ben Widawsky
2020-06-25 6:28 ` Michal Hocko
2020-06-26 21:39 ` Ben Widawsky
2020-06-29 10:16 ` Michal Hocko
2020-06-22 20:54 ` Andi Kleen
2020-06-22 21:02 ` Ben Widawsky
2020-06-22 21:07 ` Dave Hansen
2020-06-22 22:02 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-06-19 16:23 Ben Widawsky
2020-06-19 16:25 ` Ben Widawsky
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