Messages in this thread | | | Date | Mon, 5 Jan 2015 08:53:20 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH 2/2] mm: don't use compound_head() in virt_to_head_page() |
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On Mon, 5 Jan 2015, Joonsoo Kim wrote:
> This patch implements compound_head_fast() which is similar with > compound_head() except tail flag race handling. And then, > virt_to_head_page() uses this optimized function to improve performance.
Yeah that is how it was before and how it should be
Acked-by: Christoph Lameter <cl@linux.com>
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