From: Andrew Morton <akpm@linux-foundation.org>
To: "Li Zhe" <lizhe.67@bytedance.com>
Cc: <apopple@nvidia.com>, <arnd@arndb.de>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>, <david@kernel.org>,
<kees@kernel.org>, <mingo@redhat.com>, <rppt@kernel.org>,
<tglx@kernel.org>, <linux-arch@vger.kernel.org>,
<linux-hardening@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-mm@kvack.org>, <x86@kernel.org>
Subject: Re: [PATCH v3 0/8] mm: speed up ZONE_DEVICE memmap initialization
Date: Wed, 27 May 2026 13:46:37 -0700 [thread overview]
Message-ID: <20260527134637.29621cc94aba22eb02f3a544@linux-foundation.org> (raw)
In-Reply-To: <20260527033636.28231-1-lizhe.67@bytedance.com>
On Wed, 27 May 2026 11:36:28 +0800 "Li Zhe" <lizhe.67@bytedance.com> wrote:
> This series reduces latency in paths which create or recreate
> ZONE_DEVICE memmaps. Pmem hotplug is a concrete example.
>
> memmap_init_zone_device() can spend a substantial amount of time
> initializing large ZONE_DEVICE ranges because it repeats nearly
> identical struct page setup for every PFN.
>
> The series addresses that overhead in eight patches.
Thanks. I'll take no action at this time, as it's getting late in the
-rc cycle and the patchset's review status is rather thin.
AI review had a number of things to say:
https://sashiko.dev/#/patchset/20260527033636.28231-1-lizhe.67@bytedance.com
next prev parent reply other threads:[~2026-05-27 20:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 3:36 Li Zhe
2026-05-27 3:36 ` [PATCH v3 1/8] mm: fix stale ZONE_DEVICE refcount comment Li Zhe
2026-05-27 3:36 ` [PATCH v3 2/8] mm: factor zone-device page init helpers out of __init_zone_device_page Li Zhe
2026-05-27 3:36 ` [PATCH v3 3/8] mm: add a set_page_section_from_pfn() helper Li Zhe
2026-05-27 3:36 ` [PATCH v3 4/8] mm: add a template-based fast path for zone-device page init Li Zhe
2026-05-27 3:36 ` [PATCH v3 5/8] mm: extend the template fast path to zone-device compound tails Li Zhe
2026-05-27 3:36 ` [PATCH v3 6/8] string: introduce memcpy_streaming() helpers Li Zhe
2026-05-27 3:36 ` [PATCH v3 7/8] x86/string: extend memcpy_flushcache() fixed-size fastpaths Li Zhe
2026-05-27 3:36 ` [PATCH v3 8/8] mm: use memcpy_streaming() in zone-device template copies Li Zhe
2026-05-27 20:46 ` Andrew Morton [this message]
2026-05-28 7:06 ` [PATCH v3 0/8] mm: speed up ZONE_DEVICE memmap initialization Li Zhe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260527134637.29621cc94aba22eb02f3a544@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=apopple@nvidia.com \
--cc=arnd@arndb.de \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=david@kernel.org \
--cc=kees@kernel.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-hardening@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lizhe.67@bytedance.com \
--cc=mingo@redhat.com \
--cc=rppt@kernel.org \
--cc=tglx@kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®