linux-kernel - Re: [PATCH] mm, hugetlbfs: include mm.h for vm_operations

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Message-ID: <20171212115542.08a1d217@canb.auug.org.au>
Date:   Tue, 12 Dec 2017 11:55:42 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Michal Hocko <mhocko@...e.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm, hugetlbfs: include mm.h for vm_operations_struct

Hi Arnd,

On Mon, 11 Dec 2017 17:21:27 +0100 Arnd Bergmann <arnd@...db.de> wrote:
>
> The infiniband umem code causes a build failure in some configurations:
> 
> In file included from drivers/infiniband/core/umem_odp.c:41:0:
> include/linux/hugetlb.h: In function 'vma_kernel_pagesize':
> include/linux/hugetlb.h:262:32: error: dereferencing pointer to incomplete type 'const struct vm_operations_struct'
> 
> Including the header file that defines the structure is sufficient to
> avoid this.
> 
> Fixes: ac9284a6b670 ("mm, hugetlbfs: introduce ->pagesize() to vm_operations_struct")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Added to linux-next today.

-- 
Cheers,
Stephen Rothwell