Re: [PATCH v25 21/30] mm: Re-introduce vm_flags to do_mmap()

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On Thu, Apr 15, 2021 at 03:14:10PM -0700, Yu-cheng Yu wrote:
> There was no more caller passing vm_flags to do_mmap(), and vm_flags was
> removed from the function's input by:
> 
>     commit 45e55300f114 ("mm: remove unnecessary wrapper function do_mmap_pgoff()").
> 
> There is a new user now.  Shadow stack allocation passes VM_SHADOW_STACK to
> do_mmap().  Thus, re-introduce vm_flags to do_mmap().
> 
> Signed-off-by: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx>
> Reviewed-by: Peter Collingbourne <pcc@xxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: linux-mm@xxxxxxxxx

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov



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