linux-kernel - Re: [PATCH 03/14] mm: remove FAULT_FLAG

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Date:	Tue, 7 Apr 2009 13:03:36 -0700
From:	Ying Han <yinghan@...gle.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 03/14] mm: remove FAULT_FLAG_RETRY dead code

On Tue, Apr 7, 2009 at 12:17 AM, Wu Fengguang <fengguang.wu@...el.com> wrote:
> Cc: Ying Han <yinghan@...gle.com>
> Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>
> ---
>  mm/memory.c |    4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> --- mm.orig/mm/memory.c
> +++ mm/mm/memory.c
> @@ -2766,10 +2766,8 @@ static int do_linear_fault(struct mm_str
>  {
>        pgoff_t pgoff = (((address & PAGE_MASK)
>                        - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
> -       int write = write_access & ~FAULT_FLAG_RETRY;
> -       unsigned int flags = (write ? FAULT_FLAG_WRITE : 0);
> +       unsigned int flags = (write_access ? FAULT_FLAG_WRITE : 0);
>
> -       flags |= (write_access & FAULT_FLAG_RETRY);
>        pte_unmap(page_table);
>        return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);
>  }
So, we got rid of FAULT_FLAG_RETRY flag?
> --
>
>
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