From: Matthew Wilcox <willy@infradead.org>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: move mm counter updating out of set_pte_range()
Date: Thu, 11 Apr 2024 13:53:08 +0100 [thread overview]
Message-ID: <ZhfdNL4kbAtsWzBI@casper.infradead.org> (raw)
In-Reply-To: <20240411130950.73512-2-wangkefeng.wang@huawei.com>
On Thu, Apr 11, 2024 at 09:09:49PM +0800, Kefeng Wang wrote:
> In order to support batch mm counter updating in filemap_map_pages(),
> make set_pte_range() return the type of MM_COUNTERS and move mm counter
> updating out of set_pte_range().
I don't like this. You're making set_pte_range() harder to use.
It's also rather overengineered; if you're calling set_pte_range()
from filemap.c, you already know the folios are MM_FILEPAGES.
next prev parent reply other threads:[~2024-04-11 12:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-11 13:09 [PATCH 0/2] mm: batch mm counter updating in filemap_map_pages() Kefeng Wang
2024-04-11 13:09 ` [PATCH 1/2] mm: move mm counter updating out of set_pte_range() Kefeng Wang
2024-04-11 12:53 ` Matthew Wilcox [this message]
2024-04-11 14:08 ` Kefeng Wang
2024-04-11 13:09 ` [PATCH 2/2] mm: filemap: batch mm counter updating in filemap_map_pages() Kefeng Wang
-- strict thread matches above, loose matches on Subject: below --
2024-04-12 2:57 [PATCH v2 0/2] mm: " Kefeng Wang
2024-04-12 2:57 ` [PATCH 1/2] mm: move mm counter updating out of set_pte_range() Kefeng Wang
2024-04-12 2:33 ` Kefeng Wang
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