From: "Christophe Leroy (CS GROUP)" <chleroy@kernel.org>
To: Wen Jiang <jiangwenxiaomi@gmail.com>,
akpm@linux-foundation.org, catalin.marinas@arm.com,
linux-mm@kvack.org, urezki@gmail.com, will@kernel.org
Cc: Xueyuan.chen21@gmail.com, ajd@linux.ibm.com,
anshuman.khandual@arm.com, baohua@kernel.org, david@kernel.org,
dev.jain@arm.com, jiangwen6@xiaomi.com, leo.yan@arm.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,
rppt@kernel.org, ryan.roberts@arm.com
Subject: Re: [PATCH v8 00/10] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory
Date: Thu, 17 Sep 2026 15:55:55 +0200 [thread overview]
Message-ID: <c92a1202-1fa6-4cd8-9d82-b46a1b5d8f56@kernel.org> (raw)
In-Reply-To: <493ef264-eab3-4be3-a80e-357f01ae1b37@kernel.org>
Le 17/09/2026 à 14:17, Christophe Leroy (CS GROUP) a écrit :
> Hi,
>
> Le 17/09/2026 à 07:29, Wen Jiang a écrit :
>> From: Wen Jiang <jiangwen6@xiaomi.com>
>>
>> This patchset accelerates ioremap, vmalloc, and vmap when the memory is
>> physically fully or partially contiguous. Two techniques are used:
>>
>> 1. Avoid page table rewalk when setting PTEs/PMDs for multiple memory
>> segments
>> 2. Use batched mappings wherever possible in both vmalloc and ARM64
>> layers
>>
>> Besides accelerating the mapping path, this also enables large
>> mappings (PMD and cont-PTE) for vmap, which are currently not
>> supported.
>
> This series doesn't apply. I tried to apply it on top of v7.2, v7.3-rc3
> and next-20260916
>
> Can you tell how to apply it ?
Finaly I was able to apply it on top of v7.1
Christophe
next prev parent reply other threads:[~2026-09-17 13:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-17 5:29 Wen Jiang
2026-09-17 5:29 ` [PATCH v8 01/10] arm64/mm: add pte_set_huge() and pte_clear_huge() Wen Jiang
2026-09-17 23:22 ` Barry Song
2026-09-17 5:29 ` [PATCH v8 02/10] powerpc/8xx: add pte_set_huge() Wen Jiang
2026-09-17 23:28 ` Barry Song
2026-09-17 5:29 ` [PATCH v8 03/10] mm/vmalloc: use pte_set_huge()/pte_clear_huge() for PTE-level block mappings Wen Jiang
2026-09-17 14:00 ` Christophe Leroy (CS GROUP)
2026-09-17 14:40 ` Wen Jiang
2026-09-17 21:44 ` Barry Song
2026-09-17 5:29 ` [PATCH v8 04/10] arm64/hugetlb: drop the init_mm special case in clear_flush() Wen Jiang
2026-09-17 5:29 ` [PATCH v8 05/10] arm64/vmalloc: allow arch_vmap_pte_range_map_size() to batch multiple CONT_PTE Wen Jiang
2026-09-17 5:29 ` [PATCH v8 06/10] mm/vmalloc: extract vmap_set_ptes() to consolidate PTE mapping logic Wen Jiang
2026-09-17 5:29 ` [PATCH v8 07/10] mm/vmalloc: extend page table walk to support larger page_shift sizes and eliminate page table rewalk Wen Jiang
2026-09-17 5:29 ` [PATCH v8 08/10] mm/vmalloc: extract vm_shift() to consolidate mapping shift selection Wen Jiang
2026-09-17 5:29 ` [PATCH v8 09/10] mm/vmalloc: map contiguous pages in batches for vmap() if possible Wen Jiang
2026-09-17 5:29 ` [PATCH v8 10/10] mm/vmalloc: align vm_area so vmap() can batch mappings Wen Jiang
2026-09-17 12:17 ` [PATCH v8 00/10] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory Christophe Leroy (CS GROUP)
2026-09-17 13:55 ` Christophe Leroy (CS GROUP) [this message]
2026-09-17 14:30 ` Wen Jiang
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