Merge branch 'misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/…

…git/aegl/linux

* 'misc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  ia64: pcibr: Use kmemdup rather than duplicating its implementation
  ia64: sn: Use kmemdup rather than duplicating its implementation
  ia64: tioca: Use kmemdup rather than duplicating its implementation
  [IA64] Merge overlapping reserved regions at boot

arch/ia64/kernel/setup.c

@@ -220,6 +220,23 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
 	}
 }
 
+/* merge overlaps */
+static int __init
+merge_regions (struct rsvd_region *rsvd_region, int max)
+{
+	int i;
+	for (i = 1; i < max; ++i) {
+		if (rsvd_region[i].start >= rsvd_region[i-1].end)
+			continue;
+		if (rsvd_region[i].end > rsvd_region[i-1].end)
+			rsvd_region[i-1].end = rsvd_region[i].end;
+		--max;
+		memmove(&rsvd_region[i], &rsvd_region[i+1],
+			(max - i) * sizeof(struct rsvd_region));
+	}
+	return max;
+}
+
 /*
  * Request address space for all standard resources
  */
@@ -270,6 +287,7 @@ static void __init setup_crashkernel(unsigned long total, int *n)
 	if (ret == 0 && size > 0) {
 		if (!base) {
 			sort_regions(rsvd_region, *n);
+			*n = merge_regions(rsvd_region, *n);
 			base = kdump_find_rsvd_region(size,
 					rsvd_region, *n);
 		}
@@ -373,6 +391,7 @@ reserve_memory (void)
 	BUG_ON(IA64_MAX_RSVD_REGIONS + 1 < n);
 
 	sort_regions(rsvd_region, num_rsvd_regions);
+	num_rsvd_regions = merge_regions(rsvd_region, num_rsvd_regions);
 }
 
 

arch/ia64/sn/kernel/irq.c

@@ -150,12 +150,11 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
 	 * PROM does not support SAL_INTR_REDIRECT, or it failed.
 	 * Revert to old method.
 	 */
-	new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
+	new_irq_info = kmemdup(sn_irq_info, sizeof(struct sn_irq_info),
+			       GFP_ATOMIC);
 	if (new_irq_info == NULL)
 		return NULL;
 
-	memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
-
 	/* Free the old PROM new_irq_info structure */
 	sn_intr_free(local_nasid, local_widget, new_irq_info);
 	unregister_intr_pda(new_irq_info);

arch/ia64/sn/pci/pcibr/pcibr_provider.c

@@ -127,12 +127,11 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
 	 * Allocate kernel bus soft and copy from prom.
 	 */
 
-	soft = kmalloc(sizeof(struct pcibus_info), GFP_KERNEL);
+	soft = kmemdup(prom_bussoft, sizeof(struct pcibus_info), GFP_KERNEL);
 	if (!soft) {
 		return NULL;
 	}
 
-	memcpy(soft, prom_bussoft, sizeof(struct pcibus_info));
 	soft->pbi_buscommon.bs_base = (unsigned long)
 		ioremap(REGION_OFFSET(soft->pbi_buscommon.bs_base),
 			sizeof(struct pic));

arch/ia64/sn/pci/tioca_provider.c

@@ -600,11 +600,11 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
 	 * Allocate kernel bus soft and copy from prom.
 	 */
 
-	tioca_common = kzalloc(sizeof(struct tioca_common), GFP_KERNEL);
+	tioca_common = kmemdup(prom_bussoft, sizeof(struct tioca_common),
+			       GFP_KERNEL);
 	if (!tioca_common)
 		return NULL;
 
-	memcpy(tioca_common, prom_bussoft, sizeof(struct tioca_common));
 	tioca_common->ca_common.bs_base = (unsigned long)
 		ioremap(REGION_OFFSET(tioca_common->ca_common.bs_base),
 			sizeof(struct tioca_common));