On Mon 20-03-17 16:37:35, Stephen Rothwell wrote:
> Hi Andrew,
>
> After merging the akpm tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> fs/f2fs/node.c: In function 'init_free_nid_cache':
> fs/f2fs/node.c:2634:25: error: implicit declaration of function 'f2fs_kvzalloc' [-Werror=implicit-function-declaration]
> nm_i->free_nid_count = f2fs_kvzalloc(nm_i->nat_blocks *
> ^
> fs/f2fs/node.c:2634:23: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> nm_i->free_nid_count = f2fs_kvzalloc(nm_i->nat_blocks *
> ^
>
> Caused by commit
>
> 69e5e80117a3 ("mm: introduce kv[mz]alloc helpers")
>
> interacting with commit
>
> c48b15867a2f ("f2fs: skip scanning free nid bitmap of full NAT blocks")
>
> from the f2fs tree.
>
> I applied the following fix patch:
yes this is correct. Thanks!
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Mon, 20 Mar 2017 16:28:21 +1100
> Subject: [PATCH] mm: introduce kv[mz]alloc helpers - f2fs fix up
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> fs/f2fs/node.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
> index cdbb05745895..0ea1dca8a0e2 100644
> --- a/fs/f2fs/node.c
> +++ b/fs/f2fs/node.c
> @@ -2631,7 +2631,7 @@ static int init_free_nid_cache(struct f2fs_sb_info *sbi)
> if (!nm_i->nat_block_bitmap)
> return -ENOMEM;
>
> - nm_i->free_nid_count = f2fs_kvzalloc(nm_i->nat_blocks *
> + nm_i->free_nid_count = kvzalloc(nm_i->nat_blocks *
> sizeof(unsigned short), GFP_KERNEL);
> if (!nm_i->free_nid_count)
> return -ENOMEM;
> --
> 2.11.0
>
> --
> Cheers,
> Stephen Rothwell
--
Michal Hocko
SUSE Labs
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