From: Dave Hansen <dave.hansen@intel.com>
To: Pankaj Raghav <p.raghav@samsung.com>,
Suren Baghdasaryan <surenb@google.com>,
Ryan Roberts <ryan.roberts@arm.com>,
Mike Rapoport <rppt@kernel.org>, Michal Hocko <mhocko@suse.com>,
Thomas Gleixner <tglx@linutronix.de>,
Nico Pache <npache@redhat.com>, Dev Jain <dev.jain@arm.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Vlastimil Babka <vbabka@suse.cz>, Zi Yan <ziy@nvidia.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Jens Axboe <axboe@kernel.dk>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
willy@infradead.org, x86@kernel.org, linux-block@vger.kernel.org,
linux-fsdevel@vger.kernel.org,
"Darrick J . Wong" <djwong@kernel.org>,
mcgrof@kernel.org, gost.dev@samsung.com, kernel@pankajraghav.com,
hch@lst.de
Subject: Re: [PATCH 0/5] add STATIC_PMD_ZERO_PAGE config option
Date: Thu, 12 Jun 2025 06:50:07 -0700 [thread overview]
Message-ID: <30a3048f-efbe-4999-a051-d48056bafe0b@intel.com> (raw)
In-Reply-To: <20250612105100.59144-1-p.raghav@samsung.com>
On 6/12/25 03:50, Pankaj Raghav wrote:
> But to use huge_zero_folio, we need to pass a mm struct and the
> put_folio needs to be called in the destructor. This makes sense for
> systems that have memory constraints but for bigger servers, it does not
> matter if the PMD size is reasonable (like in x86).
So, what's the problem with calling a destructor?
In your last patch, surely bio_add_folio() can put the page/folio when
it's done. Is the real problem that you don't want to call zero page
specific code at bio teardown?
next prev parent reply other threads:[~2025-06-12 13:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-12 10:50 Pankaj Raghav
2025-06-12 10:50 ` [PATCH 1/5] mm: move huge_zero_page declaration from huge_mm.h to mm.h Pankaj Raghav
2025-06-12 10:50 ` [PATCH 2/5] huge_memory: add huge_zero_page_shrinker_(init|exit) function Pankaj Raghav
2025-06-12 10:50 ` [PATCH 3/5] mm: add static PMD zero page Pankaj Raghav
2025-06-24 8:51 ` kernel test robot
2025-06-12 10:50 ` [PATCH 4/5] mm: add mm_get_static_huge_zero_folio() routine Pankaj Raghav
2025-06-12 14:09 ` Dave Hansen
2025-06-12 20:54 ` Pankaj Raghav (Samsung)
2025-06-16 9:14 ` David Hildenbrand
2025-06-16 10:41 ` Pankaj Raghav (Samsung)
2025-06-12 10:51 ` [PATCH 5/5] block: use mm_huge_zero_folio in __blkdev_issue_zero_pages() Pankaj Raghav
2025-06-12 13:50 ` Dave Hansen [this message]
2025-06-12 20:36 ` [PATCH 0/5] add STATIC_PMD_ZERO_PAGE config option Pankaj Raghav (Samsung)
2025-06-12 21:46 ` Dave Hansen
2025-06-13 8:58 ` Pankaj Raghav (Samsung)
2025-06-16 9:12 ` David Hildenbrand
2025-06-16 10:49 ` Pankaj Raghav (Samsung)
2025-06-16 5:40 ` Christoph Hellwig
2025-06-16 9:00 ` Pankaj Raghav
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=30a3048f-efbe-4999-a051-d48056bafe0b@intel.com \
--to=dave.hansen@intel.com \
--cc=Liam.Howlett@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=baolin.wang@linux.alibaba.com \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=david@redhat.com \
--cc=dev.jain@arm.com \
--cc=djwong@kernel.org \
--cc=gost.dev@samsung.com \
--cc=hch@lst.de \
--cc=hpa@zytor.com \
--cc=kernel@pankajraghav.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lorenzo.stoakes@oracle.com \
--cc=mcgrof@kernel.org \
--cc=mhocko@suse.com \
--cc=mingo@redhat.com \
--cc=npache@redhat.com \
--cc=p.raghav@samsung.com \
--cc=rppt@kernel.org \
--cc=ryan.roberts@arm.com \
--cc=surenb@google.com \
--cc=tglx@linutronix.de \
--cc=vbabka@suse.cz \
--cc=willy@infradead.org \
--cc=x86@kernel.org \
--cc=ziy@nvidia.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