Messages in this thread Patch in this message | | | Date | Thu, 12 Aug 2004 19:35:12 -0700 | From | William Lee Irwin III <> | Subject | use linear_page_index() in mm/mempolicy.c |
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mm/mempolicy.c is computing linear_page_index() by hand. This teaches alloc_page_vma() to use the pagemap.h helper function for it. This is particularly helpful for when how linear_page_index() is computed changes.
Index: spinlock-2.6.8-rc4/mm/mempolicy.c =================================================================== --- spinlock-2.6.8-rc4.orig/mm/mempolicy.c 2004-08-10 23:00:25.101832328 -0700 +++ spinlock-2.6.8-rc4/mm/mempolicy.c 2004-08-12 19:20:41.784408232 -0700 @@ -668,11 +668,9 @@ if (unlikely(pol->policy == MPOL_INTERLEAVE)) { unsigned nid; if (vma) { - unsigned long off; + unsigned long off = linear_page_index(vma, addr); BUG_ON(addr >= vma->vm_end); BUG_ON(addr < vma->vm_start); - off = vma->vm_pgoff; - off += (addr - vma->vm_start) >> PAGE_SHIFT; nid = offset_il_node(pol, vma, off); } else { /* fall back to process interleaving */ - 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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