linux-kernel - Re: linux-next: manual merge of the block tree with the mm tree

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Date: Tue, 14 May 2024 09:41:20 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jens Axboe <axboe@...nel.dk>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>, Rick Edgecombe <rick.p.edgecombe@...el.com>
Subject: Re: linux-next: manual merge of the block tree with the mm tree

Hi all,

On Tue, 2 Apr 2024 11:27:46 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the block tree got a conflict in:
> 
>   io_uring/io_uring.c
> 
> between commit:
> 
>   d3329b3a9d72 ("mm: switch mm->get_unmapped_area() to a flag")
> 
> from the mm-unstable branhc of the mm tree and commit:
> 
>   624d801ce45b ("io_uring: move mapping/allocation helpers to a separate file")
> 
> from the block tree.
> 
> I fixed it up (I used the latter version of this file and applied the
> following merge fix patch) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 2 Apr 2024 11:25:46 +1100
> Subject: [PATCH] fix up for "mm: switch mm->get_unmapped_area() to a flag"
> 
> from the mm tree.
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  io_uring/memmap.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/io_uring/memmap.c b/io_uring/memmap.c
> index acf5e8ca6b28..5c9e70132cd1 100644
> --- a/io_uring/memmap.c
> +++ b/io_uring/memmap.c
> @@ -302,7 +302,7 @@ unsigned long io_uring_get_unmapped_area(struct file *filp, unsigned long addr,
>  #else
>  	addr = 0UL;
>  #endif
> -	return current->mm->get_unmapped_area(filp, addr, len, pgoff, flags);
> +	return mm_get_unmapped_area(current->mm, filp, addr, len, pgoff, flags);
>  }
>  
>  #else /* !CONFIG_MMU */
> -- 
> 2.43.0

This is now a conflict between the mm-stable tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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