Re: [uml-devel] Fwd: Re: [uml-user] WARNING: at mm/slab_common.c:376 kmalloc_slab+0x33/0x80()

[richard -r. w. <ric...@gm...>]

On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovich <sl...@gm...> wrote:
>> With this change:
>>
>> diff --git a/fs/namespace.c b/fs/namespace.c
>> index 7b1ca9b..289211d 100644
>> --- a/fs/namespace.c
>> +++ b/fs/namespace.c
>> @@ -2236,6 +2236,8 @@ int copy_mount_string(const void __user *data, char **where)
>>                 return 0;
>>         }
>>
>> +       printk(" here: size is %ul\n", (unsigned long)data);
>
> Be careful, it's long->int truncation. I guess you want '%lu' instead of '%ul'.

Toralf, please use the attached patch.
Maybe it helps us.
In theory we call kmalloc() with at most PAGE_SIZE, which is okay.

--
Thanks,
//richard