Subject: Re: linux-next: build failure after merge of the block tree

From: Stephen Rothwell <[email-masked]>
Date: Tue, 21 Jan 2025 18:39:22 +1100

Hi all,

On Fri, 10 Jan 2025 12:44:06 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> After merging the block tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> io_uring/memmap.c: In function 'io_region_allocate_pages':
> io_uring/memmap.c:173:24: error: implicit declaration of function 'alloc_pages_bulk_array_node'; did you mean 'alloc_pages_bulk_node'? [-Wimplicit-function-declaration]
>   173 |         nr_allocated = alloc_pages_bulk_array_node(gfp, NUMA_NO_NODE,
>       |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>       |                        alloc_pages_bulk_node
> 
> Caused by commit
> 
>   1e21df691ffa ("io_uring/memmap: implement kernel allocated regions")

That commit is now in Linus' tree.

> interacting with commit
> 
>   4f6a90a13f78 ("mm: alloc_pages_bulk: rename API")

That is now commit

  8c3cbdcf4d82 ("mm: alloc_pages_bulk: rename API")

in the mm-stable tree.

> I have applied the following merge fix up patch.
> 
> From: Stephen Rothwell <[email-masked]>
> Date: Fri, 10 Jan 2025 12:40:38 +1100
> Subject: [PATCH] fix up for "io_uring/memmap: implement kernel allocated
>  regions"
> 
> interacting with "mm: alloc_pages_bulk: rename API" from the mm tree
> 
> Signed-off-by: Stephen Rothwell <[email-masked]>
> ---
>  io_uring/memmap.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/io_uring/memmap.c b/io_uring/memmap.c
> index dda846190fbd..361134544427 100644
> --- a/io_uring/memmap.c
> +++ b/io_uring/memmap.c
> @@ -170,8 +170,8 @@ static int io_region_allocate_pages(struct io_ring_ctx *ctx,
>  		goto done;
>  	}
>  
> -	nr_allocated = alloc_pages_bulk_array_node(gfp, NUMA_NO_NODE,
> -						   mr->nr_pages, pages);
> +	nr_allocated = alloc_pages_bulk_node(gfp, NUMA_NO_NODE,
> +					     mr->nr_pages, pages);
>  	if (nr_allocated != mr->nr_pages) {
>  		if (nr_allocated)
>  			release_pages(pages, nr_allocated);
> -- 
> 2.45.2

-- 
Cheers,
Stephen Rothwell