From: Matthew Wilcox <willy@infradead.org>
To: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Gang Li <ligang.bdlg@bytedance.com>,
akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org,
David Binderman <dcb314@hotmail.com>
Subject: Re: [PATCH] maple_tree: Use correct variable type in sizeof
Date: Mon, 10 Apr 2023 14:51:48 +0100 [thread overview]
Message-ID: <ZDQUdK/hht5I9/p7@casper.infradead.org> (raw)
In-Reply-To: <b1ea2c08-8e88-e04f-417b-4cf0daa417b1@bytedance.com>
On Mon, Apr 10, 2023 at 06:09:27PM +0800, Peng Zhang wrote:
> Maybe sizeof(void *) is equal to sizeof(unsigned long)
> in most architectures, so I don't know if it counts as a fix.
This is actually required inside the Linux kernel. The only programming
model I know where sizeof(void *) != sizeof(unsigned long) is Windows
64-bit userspace.
next prev parent reply other threads:[~2023-04-10 13:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-10 9:14 Peng Zhang
2023-04-10 9:46 ` Gang Li
2023-04-10 10:09 ` Peng Zhang
2023-04-10 13:51 ` Matthew Wilcox [this message]
2023-04-11 10:16 ` David Laight
2023-04-10 12:58 ` Liam R. Howlett
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