Merge branch 'master'

5 files changed, 19 insertions, 13 deletions

diff --git a/Makefile b/Makefile
index 4643d579fc87..b1c458c2522d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc4
+EXTRAVERSION =-rc5
 NAME=Affluent Albatross
 
 # *DOCUMENTATION*
diff --git a/drivers/Makefile b/drivers/Makefile
index fac1e1603097..ea410b6b7644 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -5,7 +5,7 @@
 # Rewritten to use lists instead of if-statements.
 #
 
-obj-$(CONFIG_PCI)		+= pci/ usb/
+obj-$(CONFIG_PCI)		+= pci/
 obj-$(CONFIG_PARISC)		+= parisc/
 obj-$(CONFIG_RAPIDIO)		+= rapidio/
 obj-y				+= video/
@@ -49,6 +49,7 @@ obj-$(CONFIG_ATA_OVER_ETH)	+= block/aoe/
 obj-$(CONFIG_PARIDE) 		+= block/paride/
 obj-$(CONFIG_TC)		+= tc/
 obj-$(CONFIG_USB)		+= usb/
+obj-$(CONFIG_PCI)		+= usb/
 obj-$(CONFIG_USB_GADGET)	+= usb/gadget/
 obj-$(CONFIG_GAMEPORT)		+= input/gameport/
 obj-$(CONFIG_INPUT)		+= input/
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 3b4ca55a3332..379e87089764 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -2239,7 +2239,7 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
 	struct scsi_cmnd *cmd = qc->scsicmd;
 
 	if ((tf->protocol = ata_scsi_map_proto(scsicmd[1])) == ATA_PROT_UNKNOWN)
-		return 1;
+		goto invalid_fld;
 
 	/*
 	 * 12 and 16 byte CDBs use different offsets to
@@ -2301,7 +2301,7 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
 	 */
 	if ((tf->command == ATA_CMD_SET_FEATURES)
 	 && (tf->feature == SETFEATURES_XFER))
-		return 1;
+		goto invalid_fld;
 
 	/*
 	 * Set flags so that all registers will be written,
@@ -2322,6 +2322,11 @@ ata_scsi_pass_thru(struct ata_queued_cmd *qc, const u8 *scsicmd)
 	qc->nsect = cmd->bufflen / ATA_SECT_SIZE;
 
 	return 0;
+
+ invalid_fld:
+	ata_scsi_set_sense(qc->scsicmd, ILLEGAL_REQUEST, 0x24, 0x00);
+	/* "Invalid field in cdb" */
+	return 1;
 }
 
 /**
diff --git a/mm/memory.c b/mm/memory.c
index 4b4fc3a7ea48..aa8af0e20269 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1223,7 +1223,7 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *
 		return -EINVAL;
 	return insert_page(vma->vm_mm, addr, page, vma->vm_page_prot);
 }
-EXPORT_SYMBOL_GPL(vm_insert_page);
+EXPORT_SYMBOL(vm_insert_page);
 
 /*
  * Somebody does a pfn remapping that doesn't actually work as a vma.
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b257720edfc8..3b21a13d841c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1772,16 +1772,16 @@ static int __devinit zone_batchsize(struct zone *zone)
 		batch = 1;
 
 	/*
-	 * We will be trying to allcoate bigger chunks of contiguous
-	 * memory of the order of fls(batch).  This should result in
-	 * better cache coloring.
+	 * Clamp the batch to a 2^n - 1 value. Having a power
+	 * of 2 value was found to be more likely to have
+	 * suboptimal cache aliasing properties in some cases.
 	 *
-	 * A sanity check also to ensure that batch is still in limits.
+	 * For example if 2 tasks are alternately allocating
+	 * batches of pages, one task can end up with a lot
+	 * of pages of one half of the possible page colors
+	 * and the other with pages of the other colors.
 	 */
-	batch = (1 << fls(batch + batch/2));
-
-	if (fls(batch) >= (PAGE_SHIFT + MAX_ORDER - 2))
-		batch = PAGE_SHIFT + ((MAX_ORDER - 1 - PAGE_SHIFT)/2);
+	batch = (1 << (fls(batch + batch/2)-1)) - 1;
 
 	return batch;
 }