Messages in this thread Patch in this message | | | Date | Fri, 13 Jul 2007 20:18:46 +0800 | From | Joe Jin <> | Subject | Re: [PATCH] Add nid sanity on alloc_pages_node |
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> > Patch gone too ;) I deleted it. I was hoping that you'd send me the final > finished product (please). >
Ha.., the patch against 2.6.22, at your patch have use htlb_alloc_mask, but I cannot found it at 2.6.22 kernel tree, I think you must use difference kernel tree :)
Thanks, Joe
--- linux-2.6.22/mm/hugetlb.c.orig 2007-07-12 15:02:19.000000000 +0800 +++ linux-2.6.22/mm/hugetlb.c 2007-07-13 17:33:45.000000000 +0800 @@ -101,13 +101,20 @@ static void free_huge_page(struct page * static int alloc_fresh_huge_page(void) { - static int nid = 0; + static int prev_nid; struct page *page; - page = alloc_pages_node(nid, GFP_HIGHUSER|__GFP_COMP|__GFP_NOWARN, - HUGETLB_PAGE_ORDER); - nid = next_node(nid, node_online_map); + static DEFINE_SPINLOCK(nid_lock); + int nid; + + spin_lock(&nid_lock); + nid = next_node(prev_nid, node_online_map); if (nid == MAX_NUMNODES) nid = first_node(node_online_map); + prev_nid = nid; + spin_unlock(&nid_lock); + + page = alloc_pages_node(nid, GFP_HIGHUSER|__GFP_COMP|__GFP_NOWARN, + HUGETLB_PAGE_ORDER); if (page) { set_compound_page_dtor(page, free_huge_page); spin_lock(&hugetlb_lock); - 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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