Re: [PATCH 3/3] Quick vmalloc vs kmalloc fix to the case where array size is too large
From: Paul Menage
Date: Tue Jul 14 2009 - 13:50:23 EST
On Tue, Jul 14, 2009 at 10:47 AM, Dave Hansen<dave@xxxxxxxxxxxxxxxxxx> wrote:
>
> How big were those allocations that were failing? The code made it
> appear that order-2 (PAGE_SIZE*4) allocations were failing. That's a
> bit lower than I'd expect the page allocator to start failing.
I think it depends on how much fragmentation you've got.
We've seen it fail for cpusets with (I guess) hundreds or thousands of threads.
Paul
--
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/