mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Li Zhe" <lizhe.67@bytedance.com>
To: <rppt@kernel.org>
Cc: <akpm@linux-foundation.org>, <apopple@nvidia.com>,
	<arnd@arndb.de>,  <bp@alien8.de>, <dave.hansen@linux.intel.com>,
	<david@kernel.org>,  <kees@kernel.org>,
	<linux-arch@vger.kernel.org>,  <linux-hardening@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,  <linux-mm@kvack.org>,
	<lizhe.67@bytedance.com>, <mingo@redhat.com>,  <tglx@kernel.org>,
	<x86@kernel.org>
Subject: Re: [PATCH v2 1/7] mm: factor zone-device page init helpers out of __init_zone_device_page
Date: Mon, 25 May 2026 11:51:56 +0800	[thread overview]
Message-ID: <20260525035156.94490-1-lizhe.67@bytedance.com> (raw)
In-Reply-To: <177953825215.3959652.4404326127425239303.b4-review@b4>

On Sat, 23 May 2026 15:10:52 +0300, rppt@kernel.org wrote:

> On Thu, 21 May 2026 12:01:18 +0800, Li Zhe <lizhe.67@bytedance.com> wrote:
> > diff --git a/mm/mm_init.c b/mm/mm_init.c
> > index f9f8e1af921c..4ba506df93bc 100644
> > --- a/mm/mm_init.c
> > +++ b/mm/mm_init.c
> > @@ -987,11 +987,36 @@ static void __init memmap_init(void)
> >  }
> >
> >  #ifdef CONFIG_ZONE_DEVICE
> > -static void __ref __init_zone_device_page(struct page *page, unsigned long pfn,
> > +static inline int zone_device_page_init_refcount(
> > +		const struct dev_pagemap *pgmap)
> 
> The name zone_device_page_init_refcount() implies that this function
> actually intializes the refcount, but it's actually used as a predicate
> based on pagemap properties, so let's make it bool and name accordingly.
> How about
> 
> static inline bool pagemap_resets_refcount(const struct dev_pagemap *pagemap)
> 
> Other than that:
> 
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

Thanks, I will fix this in the next revision.

Thanks,
Zhe

  reply	other threads:[~2026-05-25  3:52 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-21  4:01 [PATCH v2 0/7] mm: speed up ZONE_DEVICE memmap initialization Li Zhe
2026-05-21  4:01 ` [PATCH v2 1/7] mm: factor zone-device page init helpers out of __init_zone_device_page Li Zhe
2026-05-23 12:10   ` Mike Rapoport
2026-05-25  3:51     ` Li Zhe [this message]
2026-05-21  4:01 ` [PATCH v2 2/7] mm: add a set_page_section_from_pfn() helper Li Zhe
2026-05-23 12:10   ` Mike Rapoport
2026-05-21  4:01 ` [PATCH v2 3/7] mm: add a template-based fast path for zone-device page init Li Zhe
2026-05-23 12:10   ` Mike Rapoport
2026-05-25  4:02     ` Li Zhe
2026-05-21  4:01 ` [PATCH v2 4/7] mm: extend the template fast path to zone-device compound tails Li Zhe
2026-05-23 12:10   ` Mike Rapoport
2026-05-25  4:11     ` Li Zhe
2026-05-21  4:01 ` [PATCH v2 5/7] string: introduce memcpy_streaming() helpers Li Zhe
2026-05-21  4:01 ` [PATCH v2 6/7] x86/string: extend memcpy_flushcache() fixed-size fastpaths Li Zhe
2026-05-21  4:01 ` [PATCH v2 7/7] mm: use memcpy_streaming() in zone-device template copies Li Zhe
2026-05-23 12:10   ` Mike Rapoport
2026-05-25  4:59     ` Li Zhe
2026-05-21 22:20 ` [PATCH v2 0/7] mm: speed up ZONE_DEVICE memmap initialization Andrew Morton
2026-05-22  7:49   ` 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=20260525035156.94490-1-lizhe.67@bytedance.com \
    --to=lizhe.67@bytedance.com \
    --cc=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=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®