[PATCH 3/3] Quick vmalloc vs kmalloc fix to the case where array size is too large
menage at google.com
Tue Jul 14 10:50:02 PDT 2009
On Tue, Jul 14, 2009 at 10:47 AM, Dave Hansen<dave at linux.vnet.ibm.com> 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.
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