linux-kernel - Re: [PATCH] mm: Conveted to use vm_fault

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Message-ID: <CAFqt6zaDm-ashgujTicR1zcdkoPc=-VzopiTV3+hcin==t_o4g@mail.gmail.com>
Date:   Tue, 28 Aug 2018 23:33:09 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>,
        mgorman@...hsingularity.net, ak@...ux.intel.com,
        tim.c.chen@...ux.intel.com,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     Linux-MM <linux-mm@...ck.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Conveted to use vm_fault_t

On Tue, Aug 28, 2018 at 11:18 PM Souptick Joarder <jrdr.linux@...il.com> wrote:
>
> As part of vm_fault_t conversion filemap_page_mkwrite()
> for NOMMU case was missed. Now converted.
>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>

cc: Matthew Wilcox <willy@...radead.org>

> ---
>  mm/filemap.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/filemap.c b/mm/filemap.c
> index 52517f2..de6fed2 100644
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -2748,9 +2748,9 @@ int generic_file_readonly_mmap(struct file *file, struct vm_area_struct *vma)
>         return generic_file_mmap(file, vma);
>  }
>  #else
> -int filemap_page_mkwrite(struct vm_fault *vmf)
> +vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf)
>  {
> -       return -ENOSYS;
> +       return VM_FAULT_SIGBUS;
>  }
>  int generic_file_mmap(struct file * file, struct vm_area_struct * vma)
>  {
> --
> 1.9.1
>