Re: [PATCH v3 3/3] mm: don't panic when links can't be created in sysfs

[Oscar Salvador]

On Tue, Sep 15, 2020 at 11:41:43AM +0200, Laurent Dufour wrote:
> At boot time, or when doing memory hot-add operations, if the links in
> sysfs can't be created, the system is still able to run, so just report the
> error in the kernel log rather than BUG_ON and potentially make system
> unusable because the callpath can be called with locks held.
> 
> Since the number of memory blocks managed could be high, the messages are
> rate limited.
> 
> As a consequence, link_mem_sections() has no status to report anymore.
> 
> Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>

-- 
Oscar Salvador
SUSE L3