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SubjectRe: WARNING: CPU: 1 PID: 495 at mm/slab_common.c:69 kmem_cache_create+0x1a9/0x330()
On Fri, Jul 18, 2014 at 05:21:04PM +0400, Vladimir Davydov wrote:
> Slab warns, because the name of the cache being created contains spaces.
> The "bad" cache is created by scsi_get_host_cmd_pool. Its name
> (pool->cmd_name) is initialized by scsi_alloc_host_cmd_pool as follows:
>
> pool->cmd_name = kasprintf(GFP_KERNEL, "%s_cmd", hostt->name);
>
> So, if hostt->name contains spaces, the cache name will also contain
> spaces and we'll get the warning. And hostt->name can contain spaces,
> e.g. virtscsi_host_template_single.name="Virtio SCSI HBA".

Or might not even be present. I'll send a patch to replace it with
->proc_name, which must not contain spaces and is generally shorter
as well.



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