From: Matthew Wilcox <willy@infradead.org>
To: Zi Yan <ziy@nvidia.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org, Shuah Khan <shuah@kernel.org>,
Yang Shi <shy828301@gmail.com>, Miaohe Lin <linmiaohe@huawei.com>,
Hugh Dickins <hughd@google.com>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: Re: [RFC PATCH 1/5] mm: memcg: make memcg huge page split support any order split.
Date: Mon, 21 Mar 2022 19:54:37 +0000 [thread overview]
Message-ID: <YjjX/bZrUmQfFjHC@casper.infradead.org> (raw)
In-Reply-To: <0001CABA-9436-4EFF-9C7F-F67300D09DA1@nvidia.com>
On Mon, Mar 21, 2022 at 03:07:46PM -0400, Zi Yan wrote:
> Yes. Will change it to new_nr to be consistent.
uh, you're going to call ilog2?
I think this would look less inconsistent if 'nr' were an unsigned long
(how long until we need 16GB pages? Think PPC already supports those)
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Wilcox <willy-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Zi Yan <ziy-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Roman Gushchin
<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Shuah Khan <shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Yang Shi <shy828301-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Miaohe Lin <linmiaohe-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
Hugh Dickins <hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
"Kirill A . Shutemov"
<kirill.shutemov-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC PATCH 1/5] mm: memcg: make memcg huge page split support any order split.
Date: Mon, 21 Mar 2022 19:54:37 +0000 [thread overview]
Message-ID: <YjjX/bZrUmQfFjHC@casper.infradead.org> (raw)
In-Reply-To: <0001CABA-9436-4EFF-9C7F-F67300D09DA1-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Mon, Mar 21, 2022 at 03:07:46PM -0400, Zi Yan wrote:
> Yes. Will change it to new_nr to be consistent.
uh, you're going to call ilog2?
I think this would look less inconsistent if 'nr' were an unsigned long
(how long until we need 16GB pages? Think PPC already supports those)
next prev parent reply other threads:[~2022-03-21 19:54 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 14:21 [RFC PATCH 0/5] Split a huge page to any lower order pages Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 14:21 ` [RFC PATCH 1/5] mm: memcg: make memcg huge page split support any order split Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 18:57 ` Roman Gushchin
2022-03-21 18:57 ` Roman Gushchin
2022-03-21 19:07 ` Zi Yan
2022-03-21 19:07 ` Zi Yan
2022-03-21 19:54 ` Matthew Wilcox [this message]
2022-03-21 19:54 ` Matthew Wilcox
2022-03-21 20:26 ` Zi Yan
2022-03-21 20:26 ` Zi Yan
2022-03-21 14:21 ` [RFC PATCH 2/5] mm: page_owner: add support for splitting to any order in split page_owner Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 19:02 ` Roman Gushchin
2022-03-21 19:02 ` Roman Gushchin
2022-03-21 19:08 ` Zi Yan
2022-03-21 19:08 ` Zi Yan
2022-03-21 14:21 ` [RFC PATCH 3/5] mm: thp: split huge page to any lower order pages Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 22:18 ` Roman Gushchin
2022-03-21 22:18 ` Roman Gushchin
2022-03-22 14:21 ` Zi Yan
2022-03-22 14:21 ` Zi Yan
2022-03-22 3:21 ` Miaohe Lin
2022-03-22 3:21 ` Miaohe Lin
2022-03-22 14:30 ` Zi Yan
2022-03-22 14:30 ` Zi Yan
2022-03-23 2:31 ` Miaohe Lin
2022-03-23 2:31 ` Miaohe Lin
2022-03-23 22:10 ` Zi Yan
2022-03-24 2:02 ` Miaohe Lin
2022-03-24 2:02 ` Miaohe Lin
2022-03-22 20:57 ` Yang Shi
2022-03-21 14:21 ` [RFC PATCH 4/5] mm: truncate: split huge page cache page to a non-zero order if possible Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 22:32 ` Roman Gushchin
2022-03-21 22:32 ` Roman Gushchin
2022-03-22 14:19 ` Zi Yan
2022-03-22 14:19 ` Zi Yan
2022-03-23 6:40 ` [mm] 2757cee2d6: UBSAN:shift-out-of-bounds_in_include/linux/log2.h kernel test robot
2022-03-23 6:40 ` kernel test robot
2022-03-21 14:21 ` [RFC PATCH 5/5] mm: huge_memory: enable debugfs to split huge pages to any order Zi Yan
2022-03-21 14:21 ` Zi Yan
2022-03-21 22:23 ` Roman Gushchin
2022-03-21 22:23 ` Roman Gushchin
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