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SubjectRe: [RFC] memory hotremove patch take 2 [03/10] (drain all pages)
On Wed, 9 May 2007, Yasunori Goto wrote:

> This patch add function drain_all_pages(void) to drain all
> pages on per-cpu-freelist.
> Page isolation will catch them in free_one_page.

This is only draining the pcps of the local processor. I would think
that you need to drain all other processors pcps of this zone as well. And
there is no need to drain this processors pcps of other zones.

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