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

From: Konrad Rzeszutek Wilk
Date: Wed Feb 15 2012 - 11:10:31 EST


On Wed, Feb 15, 2012 at 02:41:31PM +1100, Stephen Rothwell wrote:
> Hi Konrad,
>
> After merging the tmem tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> mm/frontswap.c: In function 'frontswap_shrink':
> mm/frontswap.c:217:3: error: implicit declaration of function 'security_vm_enough_memory_kern' [-Werror=implicit-function-declaration]
>
> Caused by commit 8174e70a6bde ("mm: frontswap: core frontswap
> functionality") interacting with commit 191c542442fd ("mm: collapse
> security_vm_enough_memory() variants into a single function") from the
> security tree.
>
> I applied the following merge fix:
>

Sweeet. Thanks!

> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Wed, 15 Feb 2012 14:35:31 +1100
> Subject: [PATCH] mm: frontswap: update for security_vm_enough_memory API change
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> mm/frontswap.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/mm/frontswap.c b/mm/frontswap.c
> index d7c91e3..2b80c5a 100644
> --- a/mm/frontswap.c
> +++ b/mm/frontswap.c
> @@ -214,7 +214,7 @@ void frontswap_shrink(unsigned long target_pages)
> pages_to_unuse = 0; /* unuse all */
> }
> /* ensure there is enough RAM to fetch pages from frontswap */
> - if (security_vm_enough_memory_kern(pages))
> + if (security_vm_enough_memory_mm(current->mm, pages))
> continue;
> vm_unacct_memory(pages);
> break;
> --
> 1.7.9
>
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
> http://www.canb.auug.org.au/~sfr/


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