Messages in this thread |  | | | Date | Fri, 1 Oct 2004 13:11:47 -0700 | | From | Andrew Morton <> | | Subject | Re: [RFC] memory defragmentation to satisfy high order allocations |
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Marcelo Tosatti <marcelo.tosatti@cyclades.com> wrote: > > The following patch implements a "coalesce_memory()" function > which takes "zone" and "order" as a parameter. > > It tries to move enough physically nearby pages to form a free area > of "order" size. > > It does that by checking whether the page can be moved, allocating a new page, > unmapping the pte's to it, copying data to new page, remapping the ptes, > and reinserting the page on the radix/LRU.
Presumably this duplicates some of the memory hot-remove patches.
Apparently Dave Hansen has working and sane-looking hot remove code which is in a close-to-submittable state. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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