Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [4/18] Add basic support for more than one hstate in hugetlbfs | Date | Mon, 17 Mar 2008 02:58:17 +0100 (CET) |
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Signed-off-by: Andi Kleen <ak@suse.de>
--- mm/hugetlb.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
Index: linux/mm/hugetlb.c =================================================================== --- linux.orig/mm/hugetlb.c +++ linux/mm/hugetlb.c @@ -550,26 +550,33 @@ static unsigned int cpuset_mems_nr(unsig #ifdef CONFIG_SYSCTL #ifdef CONFIG_HIGHMEM -static void try_to_free_low(unsigned long count) +static void do_try_to_free_low(struct hstate *h, unsigned long count) { - struct hstate *h = &global_hstate; int i; for (i = 0; i < MAX_NUMNODES; ++i) { struct page *page, *next; struct list_head *freel = &h->hugepage_freelists[i]; list_for_each_entry_safe(page, next, freel, lru) { - if (count >= nr_huge_pages) + if (count >= h->nr_huge_pages) return; if (PageHighMem(page)) continue; list_del(&page->lru); - update_and_free_page(page); + update_and_free_page(h, page); h->free_huge_pages--; h->free_huge_pages_node[page_to_nid(page)]--; } } } + +static void try_to_free_low(unsigned long count) +{ + struct hstate *h; + for_each_hstate (h) { + do_try_to_free_low(h, count); + } +} #else static inline void try_to_free_low(unsigned long count) {
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