xfs_bug_patch_2.6.35.10

--- xfs_buf.old	2011-01-29 23:12:57.000000000 +0700
+++ xfs_buf.c	2011-01-17 00:12:22.000000000 +0700
@@ -269,8 +269,7 @@
 		uint		i;

 		if (xfs_buf_is_vmapped(bp))
-			vm_unmap_ram(bp->b_addr - bp->b_offset,
-					bp->b_page_count);
+			vunmap(bp->b_addr - bp->b_offset);

 		for (i = 0; i < bp->b_page_count; i++) {
 			struct page	*page = bp->b_pages[i];
@@ -390,8 +389,8 @@
 		bp->b_addr = page_address(bp->b_pages[0]) + bp->b_offset;
 		bp->b_flags |= XBF_MAPPED;
 	} else if (flags & XBF_MAPPED) {
-		bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count,
-					-1, PAGE_KERNEL);
+		bp->b_addr = vmap(bp->b_pages, bp->b_page_count,
+					VM_MAP, PAGE_KERNEL);
 		if (unlikely(bp->b_addr == NULL))
 			return -ENOMEM;
 		bp->b_addr += bp->b_offset;