From: Cong Wang <xiyou.wangcong@gmail.com>
To: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2 v4][rfc] tmpfs: interleave the starting node of /dev/shmem
Date: Tue, 3 Jul 2012 12:49:26 +0000 (UTC) [thread overview]
Message-ID: <jsupok$ik1$1@dough.gmane.org> (raw)
In-Reply-To: 20120702202857.GB15696@gulag1.americas.sgi.com
On Mon, 02 Jul 2012 at 20:28 GMT, Nathan Zimmer <nzimmer@sgi.com> wrote:
> +static unsigned long shmem_interleave( struct vm_area_struct *vma, unsigned long addr)
> +{
> + unsigned offset;
> +
Here, 'offset' should be 'unsigned long', 'unsigned' means 'unsigned
int'.
> + // Use the vm_files prefered node as the initial offset
> + offset = (unsigned long)vma->vm_private_data;
> +
> + offset += ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
> +
> + return offset;
> +}
Thanks.
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next prev parent reply other threads:[~2012-07-03 12:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-02 20:26 [PATCH 0/2 v4][rfc] tmpfs not interleaving properly Nathan Zimmer
2012-07-02 20:26 ` Nathan Zimmer
2012-07-02 20:28 ` [PATCH 1/2 v4][rfc] shmem: provide vm_ops when also providing a mem policy Nathan Zimmer
2012-07-02 20:28 ` Nathan Zimmer
2012-07-02 20:28 ` [PATCH 2/2 v4][rfc] tmpfs: interleave the starting node of /dev/shmem Nathan Zimmer
2012-07-02 20:28 ` Nathan Zimmer
2012-07-03 12:49 ` Cong Wang [this message]
2012-07-02 20:54 ` [PATCH 0/2 v4][rfc] tmpfs not interleaving properly Nathan Zimmer
2012-07-02 20:54 ` Nathan Zimmer
2012-07-03 10:32 ` Cong Wang
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