Re: [PATCH] mm: page_alloc: Make paranoid check in move_freepages a VM_BUG_ON

[David Rientjes]

On Tue, 9 Sep 2014, Mel Gorman wrote:

> Since 2.6.24 there has been a paranoid check in move_freepages that looks
> up the zone of two pages. This is a very slow path and the only time I've
> seen this bug trigger recently is when memory initialisation was broken
> during patch development. Despite the fact it's a slow path, this patch
> converts the check to a VM_BUG_ON anyway as it is served its purpose by now.
> 
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/