From: Usama Arif <usama.arif@linux.dev>
To: Usama Arif <usama.arif@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
david@kernel.org, chrisl@kernel.org, kasong@tencent.com,
ljs@kernel.org, ziy@nvidia.com, linux-mm@kvack.org,
ying.huang@linux.alibaba.com, Baoquan He <baoquan.he@linux.dev>,
willy@infradead.org, youngjun.park@lge.com, hannes@cmpxchg.org,
riel@surriel.com, shakeel.butt@linux.dev, alex@ghiti.fr,
kas@kernel.org, baohua@kernel.org, dev.jain@arm.com,
baolin.wang@linux.alibaba.com, Nico Pache <nico.pache@linux.dev>,
"Liam R . Howlett" <liam@infradead.org>,
ryan.roberts@arm.com, Vlastimil Babka <vbabka@kernel.org>,
lance.yang@linux.dev, linux-kernel@vger.kernel.org,
nphamcs@gmail.com, shikemeng@huaweicloud.com, yosry@kernel.org,
qi.zheng@linux.dev, luizcap@redhat.com, kernel-team@meta.com
Subject: Re: [PATCH v7 00/29] mm: PMD-level swap entries for anonymous THPs
Date: Mon, 14 Sep 2026 05:46:22 -0700 [thread overview]
Message-ID: <20260914124623.331589-1-usama.arif@linux.dev> (raw)
In-Reply-To: <20260914114320.12988-1-usama.arif@linux.dev>
On Mon, 14 Sep 2026 04:41:52 -0700 Usama Arif <usama.arif@linux.dev> wrote:
> When reclaim swaps out a PMD-mapped anonymous THP today, the PMD is
> split into HPAGE_PMD_NR PTE-level swap entries via TTU_SPLIT_HUGE_PMD
> before unmap. This series introduces a PMD-level swap entry so the
> huge mapping can survive the swap round-trip and do_huge_pmd_swap_page()
> can restore the PMD mapping directly on swap-in, without waiting for
> khugepaged to collapse the range later.
>
I somehow messed up sending the v7 series and only 10 patches got sent.
I have resent it in [1]. Apologies for this, please direct all reviews to [1].
[1] https://lore.kernel.org/all/20260914122950.3283997-1-usama.arif@linux.dev/
prev parent reply other threads:[~2026-09-14 12:46 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-14 11:41 [PATCH v7 00/29] mm: PMD-level swap entries for anonymous THPs Usama Arif
2026-09-14 11:41 ` [PATCH v7 01/29] mm: rename pmd_to_softleaf_folio() to pmd_softleaf_to_folio() Usama Arif
2026-09-14 11:41 ` [PATCH v7 02/29] arm64: mm: add PMD swap-exclusive helpers Usama Arif
2026-09-14 11:41 ` [PATCH v7 03/29] loongarch: " Usama Arif
2026-09-14 11:41 ` [PATCH v7 04/29] powerpc: " Usama Arif
2026-09-14 11:41 ` [PATCH v7 05/29] riscv: " Usama Arif
2026-09-14 11:41 ` [PATCH v7 06/29] s390: " Usama Arif
2026-09-14 11:41 ` [PATCH v7 07/29] x86: " Usama Arif
2026-09-14 11:42 ` [PATCH v7 08/29] mm: recognize PMD swap entries in the softleaf layer Usama Arif
2026-09-14 11:42 ` [PATCH v7 09/29] mm/debug_vm_pgtable: test PMD swap-exclusive helpers Usama Arif
2026-09-14 11:42 ` [PATCH v7 10/29] mm: make PMD migration-entry splitting explicit Usama Arif
2026-09-14 12:46 ` Usama Arif [this message]
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