Re: [PATCH] Permit inode & dentry hash tables to be allocated > MAX_ORDER size

From: Martin J. Bligh
Date: Sat Jun 12 2004 - 10:03:14 EST


>> Since vmalloc() maps the pages with small pagetable entries (unlike most
>> of the rest of the kernel address space), do you think the interleaving
>> will outweigh any negative TLB effects?
>
> I think so, yes (assuming you run the benchmark on all CPUs)

On the other hand, there's no reason we can't hack up a version of vmalloc
to use large pages, and interleave only based on that.

M.

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