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yaml --- r: 320867 b: refs/heads/master c: 09c231c h: refs/heads/master i: 320865: 878a7bc 320863: 3595909 v: v3
git-mirror · Aug 1, 2012 · d5e8dbb · d5e8dbb
1 parent 103a114
commit d5e8dbb
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6527af5d1bea219d64095a5e30c1b1e0868aae16
+refs/heads/master: 09c231cb8bfdc35e7d896850d34440b8553b084f
diff --git a/trunk/mm/shmem.c b/trunk/mm/shmem.c
@@ -929,7 +929,8 @@ static struct page *shmem_swapin(swp_entry_t swap, gfp_t gfp,
 
 	/* Create a pseudo vma that just contains the policy */
 	pvma.vm_start = 0;
-	pvma.vm_pgoff = index;
+	/* Bias interleave by inode number to distribute better across nodes */
+	pvma.vm_pgoff = index + info->vfs_inode.i_ino;
 	pvma.vm_ops = NULL;
 	pvma.vm_policy = spol;
 	return swapin_readahead(swap, gfp, &pvma, 0);
@@ -942,7 +943,8 @@ static struct page *shmem_alloc_page(gfp_t gfp,
 
 	/* Create a pseudo vma that just contains the policy */
 	pvma.vm_start = 0;
-	pvma.vm_pgoff = index;
+	/* Bias interleave by inode number to distribute better across nodes */
+	pvma.vm_pgoff = index + info->vfs_inode.i_ino;
 	pvma.vm_ops = NULL;
 	pvma.vm_policy = mpol_shared_policy_lookup(&info->policy, index);