Re: [PATCH v2] mm/sparse: set section nid for hot-add memory

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
From: Michal Hocko <mhocko@xxxxxxxx>
Date: Wed, 19 Jun 2019 11:08:24 +0200
Cc: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, linux-mm@xxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, anshuman.khandual@xxxxxxx
In-reply-to: <5630056e-cc60-c451-714b-f8524eb70839@redhat.com>
References: <20190618005537.18878-1-richardw.yang@linux.intel.com> <20190618074900.GA10030@linux> <20190618083212.GA24738@richard> <93d7ea6c-135e-7f12-9d75-b3657862dea0@redhat.com> <20190619061025.GA5717@dhcp22.suse.cz> <aaa9d3af-0472-ffde-a565-fe6a067a4c49@redhat.com> <20190619090126.GI2968@dhcp22.suse.cz> <5630056e-cc60-c451-714b-f8524eb70839@redhat.com>
User-agent: Mutt/1.10.1 (2018-07-13)

On Wed 19-06-19 11:03:49, David Hildenbrand wrote:
> On 19.06.19 11:01, Michal Hocko wrote:
[...]
> > And if they do need a smaller granularity to describe their
> > memory topology then we need a different user API rather the fiddle with
> > implementation details I would argue.
> > 
> 
> It is not about supporting it, it is about properly blocking it.

We already do that in test_pages_in_a_zone, right? Albeit in
MAX_ORDER_NR_PAGES granularity.

-- 
Michal Hocko
SUSE Labs

Follow-Ups:
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: David Hildenbrand

References:
- [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: Wei Yang
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: Oscar Salvador
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: Wei Yang
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: David Hildenbrand
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: Michal Hocko
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: David Hildenbrand
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: Michal Hocko
- Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
  - From: David Hildenbrand

Prev by Date: Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
Next by Date: Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
Previous by thread: Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
Next by thread: Re: [PATCH v2] mm/sparse: set section nid for hot-add memory
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]