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From: "Barry Song (Xiaomi)" <baohua@kernel.org>
To: david@kernel.org, urezki@gmail.com
Cc: baohua@kernel.org, 21cnbao@gmail.com, akpm@linux-foundation.org,
	dri-devel@lists.freedesktop.org, jstultz@google.com,
	linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org,
	linux-media@vger.kernel.org, linux-mm@kvack.org,
	mripard@kernel.org, sumit.semwal@linaro.org,
	xueyuan.chen21@gmail.com
Subject: Re: [PATCH] mm/vmalloc: map contiguous pages in batches for vmap() whenever possible
Date: Tue, 14 Apr 2026 04:34:10 +0800	[thread overview]
Message-ID: <20260413203410.13079-1-baohua@kernel.org> (raw)
In-Reply-To: <20260403092028.61257-1-baohua@kernel.org>

>> vmap_page_range() does flushing and it has instrumented KMSAN inside.
>> We should follow same semantic. Also it uses ioremap_max_page_shift as
>> maximum page shift policy.
> 
> Not quite sure if vmap() should follow ioremap()’s
> ioremap_max_page_shift. If needed, it shouldn’t be
> difficult to do so.
> 
> I have a version queued for testing (Xueyuan is working
> hard on it). Meanwhile, if you have any comments, please
> feel free to share.
> 
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 57eae99d9909..8d449e78a07a 100644

Hi Uladzislau, David,

As explained there [1], this standalone patch is withdrawn,
as I have moved to a series that addresses a broader set of
issues.
Sorry for any confusion this may have caused.

[1] https://lore.kernel.org/all/CAGsJ_4wCBeVfyFraj_dRdsUrSNqDG5a8SO9C3=PFRSt04dRvGw@mail.gmail.com/

Best Regards
Barry

  reply	other threads:[~2026-04-13 20:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-15  5:30 [PATCH] mm/vmalloc: map contiguous pages in batches for vmap() whenever possible Barry Song
2025-12-18 13:01 ` David Hildenbrand (Red Hat)
2025-12-18 13:54   ` Uladzislau Rezki
2025-12-18 21:24     ` Barry Song
2025-12-22 13:08       ` Uladzislau Rezki
2025-12-23 21:23         ` Barry Song
2026-01-05 16:28           ` Uladzislau Rezki
2026-04-03  9:20             ` Barry Song
2026-04-13 20:34               ` Barry Song (Xiaomi) [this message]
2025-12-18 14:00 ` Uladzislau Rezki
2025-12-18 20:05   ` Barry Song
2026-01-14 12:59     ` David Hildenbrand (Red Hat)

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