From: Andrew Morton <akpm@linux-foundation.org>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
David Hildenbrand <david@redhat.com>,
Michal Hocko <mhocko@suse.com>,
Oscar Salvador <osalvador@suse.de>, Zi Yan <ziy@nvidia.com>,
Muchun Song <songmuchun@bytedance.com>,
Naoya Horiguchi <naoya.horiguchi@linux.dev>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH RESEND 0/8] hugetlb: add demote/split page functionality
Date: Mon, 16 Aug 2021 16:27:49 -0700 [thread overview]
Message-ID: <20210816162749.22b921a61156a091f3e1d14d@linux-foundation.org> (raw)
In-Reply-To: <20210816224953.157796-1-mike.kravetz@oracle.com>
Also, pushback...
On Mon, 16 Aug 2021 15:49:45 -0700 Mike Kravetz <mike.kravetz@oracle.com> wrote:
>
> Real world use cases
> --------------------
> There are groups today using hugetlb pages to back VMs on x86. Their
> use case is as described above. They have experienced the issues with
> performance and not necessarily getting the excepted number smaller huge
("number of")
> pages after free/allocate cycle.
>
It really is a ton of new code. I think we're owed much more detail
about the problem than the above. To be confident that all this
material is truly justified?
Also, some selftests and benchmarking code in tools/testing/selftests
would be helpful?
next prev parent reply other threads:[~2021-08-16 23:27 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-16 22:49 [PATCH RESEND 0/8] hugetlb: add demote/split page functionality Mike Kravetz
2021-08-16 22:49 ` [PATCH 1/8] hugetlb: add demote hugetlb page sysfs interfaces Mike Kravetz
2021-08-16 22:49 ` [PATCH 2/8] hugetlb: add HPageCma flag and code to free non-gigantic pages in CMA Mike Kravetz
2021-08-16 22:49 ` [PATCH 3/8] hugetlb: add demote bool to gigantic page routines Mike Kravetz
2021-08-16 22:49 ` [PATCH 4/8] hugetlb: add hugetlb demote page support Mike Kravetz
2021-08-16 22:49 ` [PATCH 5/8] hugetlb: document the demote sysfs interfaces Mike Kravetz
2021-08-16 23:28 ` Andrew Morton
2021-08-17 1:04 ` Mike Kravetz
2021-09-21 13:52 ` Aneesh Kumar K.V
2021-09-21 17:17 ` Mike Kravetz
2021-08-16 22:49 ` [PATCH 6/8] hugetlb: vmemmap optimizations when demoting hugetlb pages Mike Kravetz
2021-08-16 22:49 ` [PATCH 7/8] hugetlb: prepare destroy and prep routines for vmemmap optimized pages Mike Kravetz
2021-08-16 22:49 ` [PATCH 8/8] hugetlb: Optimized demote vmemmap optimizatized pages Mike Kravetz
2021-08-16 23:23 ` [PATCH RESEND 0/8] hugetlb: add demote/split page functionality Andrew Morton
2021-08-17 0:17 ` Mike Kravetz
2021-08-17 0:39 ` Andrew Morton
2021-08-17 0:58 ` Mike Kravetz
2021-08-16 23:27 ` Andrew Morton [this message]
2021-08-17 0:46 ` Mike Kravetz
2021-08-17 1:46 ` Andrew Morton
2021-08-17 7:30 ` David Hildenbrand
2021-08-17 16:19 ` Mike Kravetz
2021-08-17 18:49 ` David Hildenbrand
2021-08-24 22:08 ` Mike Kravetz
2021-08-26 7:32 ` Hillf Danton
2021-08-27 17:22 ` Vlastimil Babka
2021-08-27 23:04 ` Mike Kravetz
2021-08-30 10:11 ` Vlastimil Babka
2021-09-02 18:17 ` Mike Kravetz
2021-09-06 14:40 ` Vlastimil Babka
2021-09-07 8:50 ` Hillf Danton
2021-09-08 21:00 ` Mike Kravetz
2021-09-09 4:07 ` Hillf Danton
2021-09-09 11:54 ` Michal Hocko
2021-09-09 13:45 ` Vlastimil Babka
2021-09-09 21:31 ` Mike Kravetz
2021-09-10 8:20 ` Michal Hocko
2021-09-11 0:11 ` Mike Kravetz
2021-09-11 3:11 ` Hillf Danton
2021-09-13 15:50 ` Michal Hocko
2021-09-15 16:57 ` Mike Kravetz
2021-09-17 20:44 ` Mike Kravetz
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