From: David Hildenbrand <david@redhat.com>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Dev Jain <dev.jain@arm.com>
Cc: akpm@linux-foundation.org, ziy@nvidia.com,
baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com,
npache@redhat.com, ryan.roberts@arm.com, baohua@kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] khugepaged: Optimize __collapse_huge_page_copy_succeeded() by PTE batching
Date: Wed, 25 Jun 2025 14:22:05 +0200 [thread overview]
Message-ID: <2a55024b-509d-4bd9-81f4-c883858e110a@redhat.com> (raw)
In-Reply-To: <f350b114-c932-4516-98f6-caf3599208f8@lucifer.local>
> if (folio_test_large(src)) {
> int max_nr_ptes = (end - address) >> PAGE_SHIFT;
>
> nr_ptes = folio_pte_batch(src, address, _pte,
> pteval, max_nr_ptes,
> flags, NULL, NULL, NULL);
> }
>
> BTW I think David raised it, but is there a way to wrap folio_pte_batch() to not
> have to NULL, NULL, NULL here? :)
I'm working on a cleanup for all that. So stay tuned :)
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2025-06-25 12:22 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-25 5:58 [PATCH v2 0/3] Optimizations for khugepaged Dev Jain
2025-06-25 5:58 ` [PATCH 1/3] khugepaged: Optimize __collapse_huge_page_copy_succeeded() by PTE batching Dev Jain
2025-06-25 11:14 ` David Hildenbrand
2025-06-25 11:19 ` Dev Jain
2025-06-25 12:14 ` Lorenzo Stoakes
2025-06-25 12:22 ` David Hildenbrand [this message]
2025-06-26 3:53 ` Dev Jain
2025-06-25 5:58 ` [PATCH v2 2/3] khugepaged: Optimize collapse_pte_mapped_thp() for large folios " Dev Jain
2025-06-25 13:11 ` Lorenzo Stoakes
2025-06-26 3:48 ` Dev Jain
2025-06-26 4:47 ` Lorenzo Stoakes
2025-06-26 4:54 ` Dev Jain
2025-07-15 6:34 ` Dev Jain
2025-07-15 9:43 ` Lorenzo Stoakes
2025-07-15 9:56 ` David Hildenbrand
2025-07-15 10:02 ` Lorenzo Stoakes
2025-07-15 10:40 ` Dev Jain
2025-07-15 11:13 ` Lorenzo Stoakes
2025-06-25 5:58 ` [PATCH v2 3/3] khugepaged: Reduce race probability between migration and khugepaged Dev Jain
2025-06-25 13:28 ` Lorenzo Stoakes
2025-06-26 3:52 ` Dev Jain
2025-06-26 4:57 ` Lorenzo Stoakes
2025-06-26 4:59 ` Dev Jain
2025-06-26 5:02 ` Lorenzo Stoakes
2025-06-26 5:04 ` Dev Jain
2025-06-26 5:06 ` Lorenzo Stoakes
2025-06-26 5:27 ` Dev Jain
2025-06-25 10:36 ` [PATCH v2 0/3] Optimizations for khugepaged Lorenzo Stoakes
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