From: Christoph Hellwig <hch@lst.de>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>, linux-block@vger.kernel.org
Subject: Re: [bug?] blk_queue_may_bounce() has the comparison max_low_pfn and max_pfn wrong way
Date: Sun, 30 Oct 2022 08:45:14 +0100 [thread overview]
Message-ID: <20221030074514.GA4214@lst.de> (raw)
In-Reply-To: <Y1wZTtENDq3fvs6n@ZenIV>
On Fri, Oct 28, 2022 at 07:02:54PM +0100, Al Viro wrote:
> Now, the last term in expression in blk_queue_may_bounce() is
> true only on the boxen where max_pfn is no greater than max_low_pfn.
>
> Unless I'm very confused, that's the boxen where we don't *have*
> any highmem pages.
Yes, this go mixed up.
prev parent reply other threads:[~2022-10-30 7:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 18:02 [bug?] blk_queue_may_bounce() has the comparison max_low_pfn and max_pfn wrong way Al Viro
2022-10-28 18:51 ` Jens Axboe
2022-10-28 19:21 ` Al Viro
2022-10-29 16:45 ` Al Viro
2022-10-30 7:50 ` Christoph Hellwig
2022-10-30 18:47 ` Al Viro
2022-11-01 11:11 ` Christoph Hellwig
2022-10-30 7:48 ` Christoph Hellwig
2022-10-28 19:14 ` Al Viro
2022-10-30 7:45 ` Christoph Hellwig [this message]
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