Messages in this thread | | | Date | Wed, 1 Feb 2012 14:44:01 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH 5/5] mm: search from free_area_cache for the bigger size |
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On Fri, 13 Jan 2012 19:47:31 +0800 Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> wrote:
> If the required size is bigger than cached_hole_size, we would better search > from free_area_cache, it is more easier to get free region, specifically for > the 64 bit process whose address space is large enough > > Do it just as hugetlb_get_unmapped_area_topdown() in arch/x86/mm/hugetlbpage.c
Can this cause additional fragmentation of the virtual address region? If so, what might be the implications of this?
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