On Thu 27-04-17 10:38:58, Florian Fainelli wrote:
> If the caller has set __GFP_NOWARN don't print the following message:
> vmap allocation for size 15736832 failed: use vmalloc=<size> to increase
> size.
>
> This can happen with the ARM/Linux or ARM64/Linux module loader built
> with CONFIG_ARM{,64}_MODULE_PLTS=y which does a first attempt at loading
> a large module from module space, then falls back to vmalloc space.
>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
just a nit
> ---
> mm/vmalloc.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 0b057628a7ba..d8a851634674 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -521,9 +521,13 @@ static struct vmap_area *alloc_vmap_area(unsigned long size,
> }
> }
>
> + if (gfp_mask & __GFP_NOWARN)
> + goto out;
> +
> if (printk_ratelimit())
if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit())
> pr_warn("vmap allocation for size %lu failed: use vmalloc=<size> to increase size\n",
> size);
would be shorter and you wouldn't need the goto and a label.
> +out:
> kfree(va);
> return ERR_PTR(-EBUSY);
> }
> --
> 2.9.3
>
--
Michal Hocko
SUSE Labs
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