From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: Nico Pache <npache@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: aarcange@redhat.com, akpm@linux-foundation.org,
anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org,
byungchul@sk.com, catalin.marinas@arm.com, cl@gentwo.org,
corbet@lwn.net, dave.hansen@linux.intel.com, david@kernel.org,
dev.jain@arm.com, gourry@gourry.net, hannes@cmpxchg.org,
hughd@google.com, jackmanb@google.com, jack@suse.cz,
jannh@google.com, jglisse@google.com, joshua.hahnjy@gmail.com,
kas@kernel.org, lance.yang@linux.dev, Liam.Howlett@oracle.com,
lorenzo.stoakes@oracle.com, mathieu.desnoyers@efficios.com,
matthew.brost@intel.com, mhiramat@kernel.org, mhocko@suse.com,
peterx@redhat.com, pfalcato@suse.de, rakie.kim@sk.com,
raquini@redhat.com, rdunlap@infradead.org,
richard.weiyang@gmail.com, rientjes@google.com,
rostedt@goodmis.org, rppt@kernel.org, ryan.roberts@arm.com,
shivankg@amd.com, sunnanyong@huawei.com, surenb@google.com,
thomas.hellstrom@linux.intel.com, tiwai@suse.de,
usamaarif642@gmail.com, vbabka@suse.cz, vishal.moola@gmail.com,
wangkefeng.wang@huawei.com, will@kernel.org, willy@infradead.org,
yang@os.amperecomputing.com, ying.huang@linux.alibaba.com,
ziy@nvidia.com, zokeefe@google.com
Subject: Re: [PATCH mm-unstable v2 3/5] mm/khugepaged: define COLLAPSE_MAX_PTES_LIMIT as HPAGE_PMD_NR - 1
Date: Thu, 26 Feb 2026 16:56:57 +0800 [thread overview]
Message-ID: <9038265b-7066-4fcd-9b41-fa7ad6c5a07c@linux.alibaba.com> (raw)
In-Reply-To: <20260226012929.169479-4-npache@redhat.com>
On 2/26/26 9:29 AM, Nico Pache wrote:
> The value (HPAGE_PMD_NR - 1) is used often in the khugepaged code to
> signify the limit of the max_ptes_* values. Add a define for this to
> increase code readability and reuse.
>
> Acked-by: Pedro Falcato <pfalcato@suse.de>
> Reviewed-by: Zi Yan <ziy@nvidia.com>
> Signed-off-by: Nico Pache <npache@redhat.com>
> ---
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
next prev parent reply other threads:[~2026-02-26 8:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-26 1:29 [PATCH mm-unstable v2 0/5] mm: khugepaged cleanups and mTHP prerequisites Nico Pache
2026-02-26 1:29 ` [PATCH mm-unstable v2 1/5] mm: consolidate anonymous folio PTE mapping into helpers Nico Pache
2026-02-26 9:27 ` David Hildenbrand (Arm)
2026-02-26 1:29 ` [PATCH mm-unstable v2 2/5] mm: introduce is_pmd_order helper Nico Pache
2026-02-26 8:55 ` Baolin Wang
2026-02-26 1:29 ` [PATCH mm-unstable v2 3/5] mm/khugepaged: define COLLAPSE_MAX_PTES_LIMIT as HPAGE_PMD_NR - 1 Nico Pache
2026-02-26 8:56 ` Baolin Wang [this message]
2026-02-26 9:28 ` David Hildenbrand (Arm)
2026-02-26 1:29 ` [PATCH mm-unstable v2 4/5] mm/khugepaged: rename hpage_collapse_* to collapse_* Nico Pache
2026-02-26 1:29 ` [PATCH mm-unstable v2 5/5] mm/khugepaged: unify khugepaged and madv_collapse with collapse_single_pmd() Nico Pache
2026-02-26 9:23 ` Baolin Wang
2026-02-26 9:40 ` David Hildenbrand (Arm)
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=9038265b-7066-4fcd-9b41-fa7ad6c5a07c@linux.alibaba.com \
--to=baolin.wang@linux.alibaba.com \
--cc=Liam.Howlett@oracle.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=anshuman.khandual@arm.com \
--cc=apopple@nvidia.com \
--cc=baohua@kernel.org \
--cc=byungchul@sk.com \
--cc=catalin.marinas@arm.com \
--cc=cl@gentwo.org \
--cc=corbet@lwn.net \
--cc=dave.hansen@linux.intel.com \
--cc=david@kernel.org \
--cc=dev.jain@arm.com \
--cc=gourry@gourry.net \
--cc=hannes@cmpxchg.org \
--cc=hughd@google.com \
--cc=jack@suse.cz \
--cc=jackmanb@google.com \
--cc=jannh@google.com \
--cc=jglisse@google.com \
--cc=joshua.hahnjy@gmail.com \
--cc=kas@kernel.org \
--cc=lance.yang@linux.dev \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=mathieu.desnoyers@efficios.com \
--cc=matthew.brost@intel.com \
--cc=mhiramat@kernel.org \
--cc=mhocko@suse.com \
--cc=npache@redhat.com \
--cc=peterx@redhat.com \
--cc=pfalcato@suse.de \
--cc=rakie.kim@sk.com \
--cc=raquini@redhat.com \
--cc=rdunlap@infradead.org \
--cc=richard.weiyang@gmail.com \
--cc=rientjes@google.com \
--cc=rostedt@goodmis.org \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=shivankg@amd.com \
--cc=sunnanyong@huawei.com \
--cc=surenb@google.com \
--cc=thomas.hellstrom@linux.intel.com \
--cc=tiwai@suse.de \
--cc=usamaarif642@gmail.com \
--cc=vbabka@suse.cz \
--cc=vishal.moola@gmail.com \
--cc=wangkefeng.wang@huawei.com \
--cc=will@kernel.org \
--cc=willy@infradead.org \
--cc=yang@os.amperecomputing.com \
--cc=ying.huang@linux.alibaba.com \
--cc=ziy@nvidia.com \
--cc=zokeefe@google.com \
/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