Messages in this thread | | | Date | Wed, 22 Mar 2006 03:59:33 -0500 | From | "Stone Wang" <> | Subject | Re: PATCH][1/8] 2.6.15 mlock: make_pages_wired/unwired |
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2006/3/21, Nick Piggin <nickpiggin@yahoo.com.au>: > Stone Wang wrote: > > We dont account HugeTLB pages for: > > > > 1. HugeTLB pages themselves are not reclaimable. > > > > 2. If we count HugeTLB pages in "Wired",then we would have no mind > > how many of the "Wired" are HugeTLB pages, and how many are > > normal-size pages. > > Thus, hard to get a clear map of physical memory use,for example: > > how many pages are reclaimable? > > If we must count HugeTLB pages,more fields should be added to > > "/proc/meminfo", > > for exmaple: "Wired HugeTLB:", "Wired Normal:". > > > > Then why do you wire them at all? Your unwire function does not appear > to be able to unwire them.
We didnt wire them.
Check get_user_pages():
/* We dont account wired HugeTLB pages */ if (is_vm_hugetlb_page(vma)) { i = follow_hugetlb_page(mm, vma, pages, vmas, &start, &len, i); continue; }
Shaoping Wang
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