From: Jason Gunthorpe <jgg@ziepe.ca>
To: Souptick Joarder <jrdr.linux@gmail.com>
Cc: leon@kernel.org, dledford@redhat.com, linux-rdma@vger.kernel.org,
linux-kernel@vger.kernel.org, willy@infradead.org
Subject: Re: [PATCH] IB/mlx5: Convert to use vm_map_pages_zero()
Date: Sun, 25 Aug 2019 16:43:54 -0300 [thread overview]
Message-ID: <20190825194354.GC21239@ziepe.ca> (raw)
In-Reply-To: <1566713247-23873-1-git-send-email-jrdr.linux@gmail.com>
On Sun, Aug 25, 2019 at 11:37:27AM +0530, Souptick Joarder wrote:
> First, length passed to mmap is checked explicitly against
> PAGE_SIZE.
>
> Second, if vma->vm_pgoff is passed as non zero, it would return
> error. It appears like driver is expecting vma->vm_pgoff to
> be passed as 0 always.
? pg_off is not zero
Jason
next prev parent reply other threads:[~2019-08-25 19:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-25 6:07 [PATCH] IB/mlx5: Convert to use vm_map_pages_zero() Souptick Joarder
2019-08-25 19:43 ` Jason Gunthorpe [this message]
2019-08-25 20:02 ` Souptick Joarder
2019-08-26 12:20 ` Jason Gunthorpe
2019-08-26 20:18 ` Souptick Joarder
2019-08-27 15:49 ` Jason Gunthorpe
2019-08-28 3:27 ` Souptick Joarder
2019-08-28 5:00 ` Leon Romanovsky
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