Auto-update from upstream

64 files changed, 407 insertions, 247 deletions

diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h
index c675f282d6a..680f7ecbb28 100644
--- a/include/asm-alpha/dma-mapping.h
+++ b/include/asm-alpha/dma-mapping.h
@@ -31,7 +31,7 @@
 #else	/* no PCI - no IOMMU. */
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int gfp);
+			 dma_addr_t *dma_handle, gfp_t gfp);
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 	       enum dma_data_direction direction);
 
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index d62ade4e4cb..e3e8541ee63 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -70,7 +70,7 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
  * device-viewed address.
  */
 extern void *
-dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, int gfp);
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp);
 
 /**
  * dma_free_coherent - free memory allocated by dma_alloc_coherent
@@ -117,7 +117,7 @@ int dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
  * device-viewed address.
  */
 extern void *
-dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *handle, int gfp);
+dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp);
 
 #define dma_free_writecombine(dev,size,cpu_addr,handle) \
 	dma_free_coherent(dev,size,cpu_addr,handle)
diff --git a/include/asm-cris/dma-mapping.h b/include/asm-cris/dma-mapping.h
index 0b5c3fdaefe..8eff51349ae 100644
--- a/include/asm-cris/dma-mapping.h
+++ b/include/asm-cris/dma-mapping.h
@@ -15,14 +15,14 @@
 
 #ifdef CONFIG_PCI
 void *dma_alloc_coherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, int flag);
+			   dma_addr_t *dma_handle, gfp_t flag);
 
 void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle);
 #else
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-                   int flag)
+                   gfp_t flag)
 {
         BUG();
         return NULL;
diff --git a/include/asm-frv/dma-mapping.h b/include/asm-frv/dma-mapping.h
index 0206ab35eae..5003e017fd1 100644
--- a/include/asm-frv/dma-mapping.h
+++ b/include/asm-frv/dma-mapping.h
@@ -13,7 +13,7 @@
 extern unsigned long __nongprelbss dma_coherent_mem_start;
 extern unsigned long __nongprelbss dma_coherent_mem_end;
 
-void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, int gfp);
+void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp);
 void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle);
 
 /*
diff --git a/include/asm-frv/pci.h b/include/asm-frv/pci.h
index b4efe5e3591..1168451c275 100644
--- a/include/asm-frv/pci.h
+++ b/include/asm-frv/pci.h
@@ -32,7 +32,7 @@ extern void pcibios_set_master(struct pci_dev *dev);
 extern void pcibios_penalize_isa_irq(int irq);
 
 #ifdef CONFIG_MMU
-extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
+extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
 extern void consistent_free(void *vaddr);
 extern void consistent_sync(void *vaddr, size_t size, int direction);
 extern void consistent_sync_page(struct page *page, unsigned long offset,
diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h
index fd9de9502df..a7f1a55ce6b 100644
--- a/include/asm-generic/dma-mapping-broken.h
+++ b/include/asm-generic/dma-mapping-broken.h
@@ -6,7 +6,7 @@
 
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		   int flag)
+		   gfp_t flag)
 {
 	BUG();
 	return NULL;
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 79e89a7db56..a2f6ac5aef7 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -37,7 +37,7 @@ typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
 
 /* DMA-mapping interface: */
 typedef void ia64_mv_dma_init (void);
-typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, int);
+typedef void *ia64_mv_dma_alloc_coherent (struct device *, size_t, dma_addr_t *, gfp_t);
 typedef void ia64_mv_dma_free_coherent (struct device *, size_t, void *, dma_addr_t);
 typedef dma_addr_t ia64_mv_dma_map_single (struct device *, void *, size_t, int);
 typedef void ia64_mv_dma_unmap_single (struct device *, dma_addr_t, size_t, int);
diff --git a/include/asm-m32r/dma-mapping.h b/include/asm-m32r/dma-mapping.h
index 3a2db28834b..a7fa0302bda 100644
--- a/include/asm-m32r/dma-mapping.h
+++ b/include/asm-m32r/dma-mapping.h
@@ -8,7 +8,7 @@
 
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		   int flag)
+		   gfp_t flag)
 {
 	return (void *)NULL;
 }
diff --git a/include/asm-mips/dma-mapping.h b/include/asm-mips/dma-mapping.h
index af28dc88930..43288634c38 100644
--- a/include/asm-mips/dma-mapping.h
+++ b/include/asm-mips/dma-mapping.h
@@ -5,13 +5,13 @@
 #include <asm/cache.h>
 
 void *dma_alloc_noncoherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, int flag);
+			   dma_addr_t *dma_handle, gfp_t flag);
 
 void dma_free_noncoherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle);
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, int flag);
+			   dma_addr_t *dma_handle, gfp_t flag);
 
 void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle);
diff --git a/include/asm-parisc/dma-mapping.h b/include/asm-parisc/dma-mapping.h
index 4db84f969e9..74d4ac6f215 100644
--- a/include/asm-parisc/dma-mapping.h
+++ b/include/asm-parisc/dma-mapping.h
@@ -9,8 +9,8 @@
 /* See Documentation/DMA-mapping.txt */
 struct hppa_dma_ops {
 	int  (*dma_supported)(struct device *dev, u64 mask);
-	void *(*alloc_consistent)(struct device *dev, size_t size, dma_addr_t *iova, int flag);
-	void *(*alloc_noncoherent)(struct device *dev, size_t size, dma_addr_t *iova, int flag);
+	void *(*alloc_consistent)(struct device *dev, size_t size, dma_addr_t *iova, gfp_t flag);
+	void *(*alloc_noncoherent)(struct device *dev, size_t size, dma_addr_t *iova, gfp_t flag);
 	void (*free_consistent)(struct device *dev, size_t size, void *vaddr, dma_addr_t iova);
 	dma_addr_t (*map_single)(struct device *dev, void *addr, size_t size, enum dma_data_direction direction);
 	void (*unmap_single)(struct device *dev, dma_addr_t iova, size_t size, enum dma_data_direction direction);
@@ -49,14 +49,14 @@ extern struct hppa_dma_ops *hppa_dma_ops;
 
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		   int flag)
+		   gfp_t flag)
 {
 	return hppa_dma_ops->alloc_consistent(dev, size, dma_handle, flag);
 }
 
 static inline void *
 dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		      int flag)
+		      gfp_t flag)
 {
 	return hppa_dma_ops->alloc_noncoherent(dev, size, dma_handle, flag);
 }
diff --git a/include/asm-ppc/dma-mapping.h b/include/asm-ppc/dma-mapping.h
index 061bfcac1bf..6e963511443 100644
--- a/include/asm-ppc/dma-mapping.h
+++ b/include/asm-ppc/dma-mapping.h
@@ -19,7 +19,7 @@
  * allocate the space "normally" and use the cache management functions
  * to ensure it is consistent.
  */
-extern void *__dma_alloc_coherent(size_t size, dma_addr_t *handle, int gfp);
+extern void *__dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp);
 extern void __dma_free_coherent(size_t size, void *vaddr);
 extern void __dma_sync(void *vaddr, size_t size, int direction);
 extern void __dma_sync_page(struct page *page, unsigned long offset,
diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index 80d164c1529..d3fa5c2b889 100644
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -9,7 +9,7 @@
 extern struct bus_type pci_bus_type;
 
 /* arch/sh/mm/consistent.c */
-extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle);
+extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle);
 extern void consistent_free(void *vaddr, size_t size);
 extern void consistent_sync(void *vaddr, size_t size, int direction);
 
@@ -26,7 +26,7 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
 }
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int flag)
+			 dma_addr_t *dma_handle, gfp_t flag)
 {
 	if (sh_mv.mv_consistent_alloc) {
 		void *ret;
diff --git a/include/asm-sh/machvec.h b/include/asm-sh/machvec.h
index 5771f4baa47..3f18aa18051 100644
--- a/include/asm-sh/machvec.h
+++ b/include/asm-sh/machvec.h
@@ -64,7 +64,7 @@ struct sh_machine_vector
 
 	void (*mv_heartbeat)(void);
 
-	void *(*mv_consistent_alloc)(struct device *, size_t, dma_addr_t *, int);
+	void *(*mv_consistent_alloc)(struct device *, size_t, dma_addr_t *, gfp_t);
 	int (*mv_consistent_free)(struct device *, size_t, void *, dma_addr_t);
 };
 
diff --git a/include/asm-sh64/dma-mapping.h b/include/asm-sh64/dma-mapping.h
index b8d26fe677f..cc9a2e86f5b 100644
--- a/include/asm-sh64/dma-mapping.h
+++ b/include/asm-sh64/dma-mapping.h
@@ -25,7 +25,7 @@ static inline int dma_set_mask(struct device *dev, u64 mask)
 }
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int flag)
+			 dma_addr_t *dma_handle, gfp_t flag)
 {
 	return consistent_alloc(NULL, size, dma_handle);
 }
diff --git a/include/asm-sparc/dma-mapping.h b/include/asm-sparc/dma-mapping.h
index 2dc5bb8effa..d7c3b0f0a90 100644
--- a/include/asm-sparc/dma-mapping.h
+++ b/include/asm-sparc/dma-mapping.h
@@ -8,7 +8,7 @@
 #else
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int flag)
+			 dma_addr_t *dma_handle, gfp_t flag)
 {
 	BUG();
 	return NULL;
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 1c5da41653a..c7d5804ba76 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -10,7 +10,7 @@
 struct device;
 
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int flag)
+			 dma_addr_t *dma_handle, gfp_t flag)
 {
 	BUG();
 	return NULL;
diff --git a/include/asm-um/dma-mapping.h b/include/asm-um/dma-mapping.h
index 13e6291f715..babd2989511 100644
--- a/include/asm-um/dma-mapping.h
+++ b/include/asm-um/dma-mapping.h
@@ -19,7 +19,7 @@ dma_set_mask(struct device *dev, u64 dma_mask)
 
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-		   int flag)
+		   gfp_t flag)
 {
 	BUG();
 	return((void *) 0);
diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 2c192abe9ae..0229814af31 100644
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -115,7 +115,7 @@ extern unsigned long uml_physmem;
 #define pfn_valid(pfn) ((pfn) < max_mapnr)
 #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
 
-extern struct page *arch_validate(struct page *page, int mask, int order);
+extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
 #define HAVE_ARCH_VALIDATE
 
 extern void arch_free_page(struct page *page, int order);
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
index e784fdc524f..54a380efed4 100644
--- a/include/asm-x86_64/dma-mapping.h
+++ b/include/asm-x86_64/dma-mapping.h
@@ -17,7 +17,7 @@ extern dma_addr_t bad_dma_address;
 	(swiotlb ? swiotlb_dma_mapping_error(x) : ((x) == bad_dma_address))
 
 void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-			 unsigned gfp);
+			 gfp_t gfp);
 void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 			 dma_addr_t dma_handle);
 
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index 5a82a6762c2..eeb3088a1c9 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -50,10 +50,10 @@ extern int iommu_setup(char *opt);
  * address space.  The networking and block device layers use
  * this boolean for bounce buffer decisions
  *
- * On x86-64 it mostly equals, but we set it to zero to tell some subsystems
- * that an hard or soft IOMMU is available.
+ * On AMD64 it mostly equals, but we set it to zero to tell some subsystems
+ * that an IOMMU is available.
  */
-#define PCI_DMA_BUS_IS_PHYS 0
+#define PCI_DMA_BUS_IS_PHYS	(no_iommu ? 1 : 0)
 
 /*
  * x86-64 always supports DAC, but sometimes it is useful to force
diff --git a/include/asm-x86_64/swiotlb.h b/include/asm-x86_64/swiotlb.h
index 36293061f4e..7cbfd10ecc3 100644
--- a/include/asm-x86_64/swiotlb.h
+++ b/include/asm-x86_64/swiotlb.h
@@ -27,7 +27,7 @@ extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
 			 int nents, int direction);
 extern int swiotlb_dma_mapping_error(dma_addr_t dma_addr);
 extern void *swiotlb_alloc_coherent (struct device *hwdev, size_t size,
-				     dma_addr_t *dma_handle, int flags);
+				     dma_addr_t *dma_handle, gfp_t flags);
 extern void swiotlb_free_coherent (struct device *hwdev, size_t size,
 				   void *vaddr, dma_addr_t dma_handle);
 
diff --git a/include/asm-xtensa/dma-mapping.h b/include/asm-xtensa/dma-mapping.h
index e86a206f120..c425f10d086 100644
--- a/include/asm-xtensa/dma-mapping.h
+++ b/include/asm-xtensa/dma-mapping.h
@@ -28,7 +28,7 @@ extern void consistent_sync(void*, size_t, int);
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-			   dma_addr_t *dma_handle, int flag);
+			   dma_addr_t *dma_handle, gfp_t flag);
 
 void dma_free_coherent(struct device *dev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle);
diff --git a/include/linux/audit.h b/include/linux/audit.h
index b2a2509bd7e..da3c01955f3 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -260,11 +260,11 @@ extern int audit_filter_user(struct netlink_skb_parms *cb, int type);
 #ifdef CONFIG_AUDIT
 /* These are defined in audit.c */
 				/* Public API */
-extern void		    audit_log(struct audit_context *ctx, int gfp_mask,
+extern void		    audit_log(struct audit_context *ctx, gfp_t gfp_mask,
 				      int type, const char *fmt, ...)
 				      __attribute__((format(printf,4,5)));
 
-extern struct audit_buffer *audit_log_start(struct audit_context *ctx, int gfp_mask, int type);
+extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type);
 extern void		    audit_log_format(struct audit_buffer *ab,
 					     const char *fmt, ...)
 			    __attribute__((format(printf,2,3)));
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 3344b4e8e43..685fd3720df 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -301,7 +301,7 @@ extern struct bio *bio_map_user_iov(struct request_queue *,
 				    struct sg_iovec *, int, int);
 extern void bio_unmap_user(struct bio *);
 extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int,
-				unsigned int);
+				gfp_t);
 extern void bio_set_pages_dirty(struct bio *bio);
 extern void bio_check_pages_dirty(struct bio *bio);
 extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index efdc9b5bc05..1afbdb2d752 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -96,8 +96,8 @@ struct io_context {
 
 void put_io_context(struct io_context *ioc);
 void exit_io_context(void);
-struct io_context *current_io_context(int gfp_flags);
-struct io_context *get_io_context(int gfp_flags);
+struct io_context *current_io_context(gfp_t gfp_flags);
+struct io_context *get_io_context(gfp_t gfp_flags);
 void copy_io_context(struct io_context **pdst, struct io_context **psrc);
 void swap_io_context(struct io_context **ioc1, struct io_context **ioc2);
 
@@ -354,7 +354,7 @@ struct request_queue
 	 * queue needs bounce pages for pages above this limit
 	 */
 	unsigned long		bounce_pfn;
-	unsigned int		bounce_gfp;
+	gfp_t			bounce_gfp;
 
 	/*
 	 * various queue flags, see QUEUE_* below
@@ -550,7 +550,7 @@ extern void generic_make_request(struct bio *bio);
 extern void blk_put_request(struct request *);
 extern void blk_end_sync_rq(struct request *rq);
 extern void blk_attempt_remerge(request_queue_t *, struct request *);
-extern struct request *blk_get_request(request_queue_t *, int, int);
+extern struct request *blk_get_request(request_queue_t *, int, gfp_t);
 extern void blk_insert_request(request_queue_t *, struct request *, int, void *);
 extern void blk_requeue_request(request_queue_t *, struct request *);
 extern void blk_plug_device(request_queue_t *);
@@ -565,7 +565,7 @@ extern void blk_run_queue(request_queue_t *);
 extern void blk_queue_activity_fn(request_queue_t *, activity_fn *, void *);
 extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned int);
 extern int blk_rq_unmap_user(struct bio *, unsigned int);
-extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, unsigned int);
+extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, gfp_t);
 extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int);
 extern int blk_execute_rq(request_queue_t *, struct gendisk *,
 			  struct request *, int);
@@ -654,8 +654,8 @@ extern void blk_wait_queue_drained(request_queue_t *, int);
 extern void blk_finish_queue_drain(request_queue_t *);
 
 int blk_get_queue(request_queue_t *);
-request_queue_t *blk_alloc_queue(int gfp_mask);
-request_queue_t *blk_alloc_queue_node(int,int);
+request_queue_t *blk_alloc_queue(gfp_t);
+request_queue_t *blk_alloc_queue_node(gfp_t, int);
 #define blk_put_queue(q) blk_cleanup_queue((q))
 
 /*
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 6a1d154c082..88af42f5e04 100644
--- a/include/linux/buffer_head.h
+++ b/