From: David Hildenbrand <david@redhat.com>
To: "Pankaj Raghav (Samsung)" <kernel@pankajraghav.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Suren Baghdasaryan <surenb@google.com>,
Ryan Roberts <ryan.roberts@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>,
Mike Rapoport <rppt@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Michal Hocko <mhocko@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Nico Pache <npache@redhat.com>, Dev Jain <dev.jain@arm.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Jens Axboe <axboe@kernel.dk>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
willy@infradead.org, x86@kernel.org, linux-block@vger.kernel.org,
Ritesh Harjani <ritesh.list@gmail.com>,
linux-fsdevel@vger.kernel.org,
"Darrick J . Wong" <djwong@kernel.org>,
mcgrof@kernel.org, gost.dev@samsung.com, hch@lst.de,
Pankaj Raghav <p.raghav@samsung.com>
Subject: Re: [PATCH 3/5] mm: add static huge zero folio
Date: Wed, 6 Aug 2025 14:24:28 +0200 [thread overview]
Message-ID: <e67479f5-e8ed-43a7-8793-c6bff04ff1f4@redhat.com> (raw)
In-Reply-To: <bmngjssdvffqvnfcoledenlxefdqesvfv7l6os5lfpurmczfw5@mn7jouglo72s>
On 06.08.25 14:18, Pankaj Raghav (Samsung) wrote:
>> We could go one step further and special case in mm_get_huge_zero_folio() +
>> mm_put_huge_zero_folio() on CONFIG_STATIC_HUGE_ZERO_FOLIO.
>>
>
> Hmm, but we could have also failed to allocate even though the option
> was enabled.
Then we return huge_zero_folio, which is NULL?
Or what are you concerned about?
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2025-08-06 12:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-04 12:13 [PATCH 0/5] add static huge zero folio support Pankaj Raghav (Samsung)
2025-08-04 12:13 ` [PATCH 1/5] mm: rename huge_zero_page to huge_zero_folio Pankaj Raghav (Samsung)
2025-08-04 18:14 ` Zi Yan
2025-08-04 12:13 ` [PATCH 2/5] mm: rename MMF_HUGE_ZERO_PAGE to MMF_HUGE_ZERO_FOLIO Pankaj Raghav (Samsung)
2025-08-04 15:24 ` Lorenzo Stoakes
2025-08-04 16:20 ` David Hildenbrand
2025-08-04 18:04 ` Zi Yan
2025-08-04 12:13 ` [PATCH 3/5] mm: add static huge zero folio Pankaj Raghav (Samsung)
2025-08-04 16:46 ` Lorenzo Stoakes
2025-08-04 17:07 ` David Hildenbrand
2025-08-04 17:08 ` David Hildenbrand
2025-08-04 17:18 ` Lorenzo Stoakes
2025-08-05 10:55 ` David Hildenbrand
2025-08-05 11:40 ` Pankaj Raghav (Samsung)
2025-08-05 12:10 ` David Hildenbrand
2025-08-05 13:40 ` Lorenzo Stoakes
2025-08-06 12:18 ` Pankaj Raghav (Samsung)
2025-08-06 12:24 ` David Hildenbrand [this message]
2025-08-06 12:28 ` Pankaj Raghav (Samsung)
2025-08-06 12:36 ` David Hildenbrand
2025-08-06 12:43 ` Pankaj Raghav (Samsung)
2025-08-06 12:48 ` David Hildenbrand
2025-08-05 16:33 ` Dave Hansen
2025-08-06 8:26 ` Pankaj Raghav (Samsung)
2025-08-04 12:13 ` [PATCH 4/5] mm: add largest_zero_folio() routine Pankaj Raghav (Samsung)
2025-08-04 16:50 ` Lorenzo Stoakes
2025-08-05 11:24 ` Pankaj Raghav (Samsung)
2025-08-04 18:13 ` Zi Yan
2025-08-05 16:42 ` Dave Hansen
2025-08-06 7:59 ` Pankaj Raghav (Samsung)
2025-08-04 12:13 ` [PATCH 5/5] block: use largest_zero_folio in __blkdev_issue_zero_pages() Pankaj Raghav (Samsung)
2025-08-04 16:53 ` Lorenzo Stoakes
2025-08-05 16:00 ` [PATCH 0/5] add static huge zero folio support Dave Hansen
2025-08-06 8:31 ` Pankaj Raghav (Samsung)
2025-08-06 11:28 ` David Hildenbrand
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