Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	sound/core/memalloc.c

48 files changed, 679 insertions, 600 deletions

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index ed15f876c72..330814d1ee2 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -735,6 +735,14 @@ config CACHE_FEROCEON_L2
 	help
 	  This option enables the Feroceon L2 cache controller.
 
+config CACHE_FEROCEON_L2_WRITETHROUGH
+	bool "Force Feroceon L2 cache write through"
+	depends on CACHE_FEROCEON_L2
+	default n
+	help
+	  Say Y here to use the Feroceon L2 cache in writethrough mode.
+	  Unless you specifically require this, say N for writeback mode.
+
 config CACHE_L2X0
 	bool "Enable the L2x0 outer cache controller"
 	depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 2e27a8c8372..480f78a3611 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux arm-specific parts of the memory manager.
 #
 
-obj-y				:= consistent.o extable.o fault.o init.o \
+obj-y				:= dma-mapping.o extable.o fault.o init.o \
 				   iomap.o
 
 obj-$(CONFIG_MMU)		+= fault-armv.o flush.o ioremap.o mmap.o \
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S
index eb90bce38e1..2e6dc040c65 100644
--- a/arch/arm/mm/abort-ev7.S
+++ b/arch/arm/mm/abort-ev7.S
@@ -30,3 +30,4 @@ ENTRY(v7_early_abort)
 	 * New designs should not need to patch up faults.
 	 */
 	mov	pc, lr
+ENDPROC(v7_early_abort)
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
index a7cc7f9ee45..625e580945b 100644
--- a/arch/arm/mm/abort-nommu.S
+++ b/arch/arm/mm/abort-nommu.S
@@ -17,3 +17,4 @@ ENTRY(nommu_early_abort)
 	mov	r0, #0				@ clear r0, r1 (no FSR/FAR)
 	mov	r1, #0
 	mov	pc, lr
+ENDPROC(nommu_early_abort)
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index e162cca5917..133e65d166b 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -17,8 +17,8 @@
 #include <linux/string.h>
 #include <linux/proc_fs.h>
 #include <linux/init.h>
+#include <linux/uaccess.h>
 
-#include <asm/uaccess.h>
 #include <asm/unaligned.h>
 
 #include "fault.h"
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index 7b5a25d8157..13cdae8b0d4 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -48,11 +48,12 @@ static inline void l2_clean_mva_range(unsigned long start, unsigned long end)
 	 * L2 is PIPT and range operations only do a TLB lookup on
 	 * the start address.
 	 */
-	BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+	BUG_ON((start ^ end) >> PAGE_SHIFT);
 
 	raw_local_irq_save(flags);
-	__asm__("mcr p15, 1, %0, c15, c9, 4" : : "r" (start));
-	__asm__("mcr p15, 1, %0, c15, c9, 5" : : "r" (end));
+	__asm__("mcr p15, 1, %0, c15, c9, 4\n\t"
+		"mcr p15, 1, %1, c15, c9, 5"
+		: : "r" (start), "r" (end));
 	raw_local_irq_restore(flags);
 }
 
@@ -80,11 +81,12 @@ static inline void l2_inv_mva_range(unsigned long start, unsigned long end)
 	 * L2 is PIPT and range operations only do a TLB lookup on
 	 * the start address.
 	 */
-	BUG_ON((start ^ end) & ~(PAGE_SIZE - 1));
+	BUG_ON((start ^ end) >> PAGE_SHIFT);
 
 	raw_local_irq_save(flags);
-	__asm__("mcr p15, 1, %0, c15, c11, 4" : : "r" (start));
-	__asm__("mcr p15, 1, %0, c15, c11, 5" : : "r" (end));
+	__asm__("mcr p15, 1, %0, c15, c11, 4\n\t"
+		"mcr p15, 1, %1, c15, c11, 5"
+		: : "r" (start), "r" (end));
 	raw_local_irq_restore(flags);
 }
 
@@ -205,7 +207,7 @@ static void feroceon_l2_flush_range(unsigned long start, unsigned long end)
  * time.  These are necessary because the L2 cache can only be enabled
  * or disabled while the L1 Dcache and Icache are both disabled.
  */
-static void __init invalidate_and_disable_dcache(void)
+static int __init flush_and_disable_dcache(void)
 {
 	u32 cr;
 
@@ -217,7 +219,9 @@ static void __init invalidate_and_disable_dcache(void)
 		flush_cache_all();
 		set_cr(cr & ~CR_C);
 		raw_local_irq_restore(flags);
+		return 1;
 	}
+	return 0;
 }
 
 static void __init enable_dcache(void)
@@ -225,18 +229,17 @@ static void __init enable_dcache(void)
 	u32 cr;
 
 	cr = get_cr();
-	if (!(cr & CR_C))
-		set_cr(cr | CR_C);
+	set_cr(cr | CR_C);
 }
 
 static void __init __invalidate_icache(void)
 {
 	int dummy;
 
-	__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0\n" : "=r" (dummy));
+	__asm__ __volatile__("mcr p15, 0, %0, c7, c5, 0" : "=r" (dummy));
 }
 
-static void __init invalidate_and_disable_icache(void)
+static int __init invalidate_and_disable_icache(void)
 {
 	u32 cr;
 
@@ -244,7 +247,9 @@ static void __init invalidate_and_disable_icache(void)
 	if (cr & CR_I) {
 		set_cr(cr & ~CR_I);
 		__invalidate_icache();
+		return 1;
 	}
+	return 0;
 }
 
 static void __init enable_icache(void)
@@ -252,8 +257,7 @@ static void __init enable_icache(void)
 	u32 cr;
 
 	cr = get_cr();
-	if (!(cr & CR_I))
-		set_cr(cr | CR_I);
+	set_cr(cr | CR_I);
 }
 
 static inline u32 read_extra_features(void)
@@ -291,13 +295,17 @@ static void __init enable_l2(void)
 
 	u = read_extra_features();
 	if (!(u & 0x00400000)) {
+		int i, d;
+
 		printk(KERN_INFO "Feroceon L2: Enabling L2\n");
 
-		invalidate_and_disable_dcache();
-		invalidate_and_disable_icache();
+		d = flush_and_disable_dcache();
+		i = invalidate_and_disable_icache();
 		write_extra_features(u | 0x00400000);
-		enable_icache();
-		enable_dcache();
+		if (i)
+			enable_icache();
+		if (d)
+			enable_dcache();
 	}
 }
 
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 76b800a9519..b480f1d3591 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -18,9 +18,9 @@
  */
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/io.h>
 
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 #include <asm/hardware/cache-l2x0.h>
 
 #define CACHE_LINE_SIZE		32
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 35ffc4d9599..d19c2bec2b1 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -66,6 +66,7 @@ finished:
 	mcr	p15, 2, r10, c0, c0, 0		@ select current cache level in cssr
 	isb
 	mov	pc, lr
+ENDPROC(v7_flush_dcache_all)
 
 /*
  *	v7_flush_cache_all()
@@ -85,6 +86,7 @@ ENTRY(v7_flush_kern_cache_all)
 	mcr	p15, 0, r0, c7, c5, 0		@ I+BTB cache invalidate
 	ldmfd	sp!, {r4-r5, r7, r9-r11, lr}
 	mov	pc, lr
+ENDPROC(v7_flush_kern_cache_all)
 
 /*
  *	v7_flush_cache_all()
@@ -110,6 +112,8 @@ ENTRY(v7_flush_user_cache_all)
  */
 ENTRY(v7_flush_user_cache_range)
 	mov	pc, lr
+ENDPROC(v7_flush_user_cache_all)
+ENDPROC(v7_flush_user_cache_range)
 
 /*
  *	v7_coherent_kern_range(start,end)
@@ -155,6 +159,8 @@ ENTRY(v7_coherent_user_range)
 	dsb
 	isb
 	mov	pc, lr
+ENDPROC(v7_coherent_kern_range)
+ENDPROC(v7_coherent_user_range)
 
 /*
  *	v7_flush_kern_dcache_page(kaddr)
@@ -174,6 +180,7 @@ ENTRY(v7_flush_kern_dcache_page)
 	blo	1b
 	dsb
 	mov	pc, lr
+ENDPROC(v7_flush_kern_dcache_page)
 
 /*
  *	v7_dma_inv_range(start,end)
@@ -202,6 +209,7 @@ ENTRY(v7_dma_inv_range)
 	blo	1b
 	dsb
 	mov	pc, lr
+ENDPROC(v7_dma_inv_range)
 
 /*
  *	v7_dma_clean_range(start,end)
@@ -219,6 +227,7 @@ ENTRY(v7_dma_clean_range)
 	blo	1b
 	dsb
 	mov	pc, lr
+ENDPROC(v7_dma_clean_range)
 
 /*
  *	v7_dma_flush_range(start,end)
@@ -236,6 +245,7 @@ ENTRY(v7_dma_flush_range)
 	blo	1b
 	dsb
 	mov	pc, lr
+ENDPROC(v7_dma_flush_range)
 
 	__INITDATA
 
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 158bd96763d..10b1bae1a25 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -18,10 +18,11 @@
  */
 #include <linux/init.h>
 #include <linux/spinlock.h>
+#include <linux/io.h>
 
 #include <asm/system.h>
+#include <asm/cputype.h>
 #include <asm/cacheflush.h>
-#include <asm/io.h>
 
 #define CR_L2	(1 << 26)
 
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index ded0e96d069..8d33e254934 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -28,7 +28,7 @@
  * specific hacks for copying pages efficiently.
  */
 #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \
-				  L_PTE_CACHEABLE)
+				  L_PTE_MT_MINICACHE)
 
 static DEFINE_SPINLOCK(minicache_lock);
 
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 3adb79257f4..0e21c076758 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -16,6 +16,7 @@
 #include <asm/shmparam.h>
 #include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 
 #include "mm.h"
 
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 2e455f82a4d..bad49331bbf 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -30,7 +30,7 @@
 #define COPYPAGE_MINICACHE	0xffff8000
 
 #define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \
-				  L_PTE_CACHEABLE)
+				  L_PTE_MT_MINICACHE)
 
 static DEFINE_SPINLOCK(minicache_lock);
 
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/dma-mapping.c
index db7b3e38ef1..67960017dc8 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/mm/consistent.c
+ *  linux/arch/arm/mm/dma-mapping.c
  *
  *  Copyright (C) 2000-2004 Russell King
  *
@@ -512,3 +512,105 @@ void dma_cache_maint(const void *start, size_t size, int direction)
 	}
 }
 EXPORT_SYMBOL(dma_cache_maint);
+
+/**
+ * dma_map_sg - map a set of SG buffers for streaming mode DMA
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map
+ * @dir: DMA transfer direction
+ *
+ * Map a set of buffers described by scatterlist in streaming mode for DMA.
+ * This is the scatter-gather version of the dma_map_single interface.
+ * Here the scatter gather list elements are each tagged with the
+ * appropriate dma address and length.  They are obtained via
+ * sg_dma_{address,length}.
+ *
+ * Device ownership issues as mentioned for dma_map_single are the same
+ * here.
+ */
+int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+		enum dma_data_direction dir)
+{
+	struct scatterlist *s;
+	int i, j;
+
+	for_each_sg(sg, s, nents, i) {
+		s->dma_address = dma_map_page(dev, sg_page(s), s->offset,
+						s->length, dir);
+		if (dma_mapping_error(dev, s->dma_address))
+			goto bad_mapping;
+	}
+	return nents;
+
+ bad_mapping:
+	for_each_sg(sg, s, i, j)
+		dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir);
+	return 0;
+}
+EXPORT_SYMBOL(dma_map_sg);
+
+/**
+ * dma_unmap_sg - unmap a set of SG buffers mapped by dma_map_sg
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to unmap (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ *
+ * Unmap a set of streaming mode DMA translations.  Again, CPU access
+ * rules concerning calls here are the same as for dma_unmap_single().
+ */
+void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
+		enum dma_data_direction dir)
+{
+	struct scatterlist *s;
+	int i;
+
+	for_each_sg(sg, s, nents, i)
+		dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir);
+}
+EXPORT_SYMBOL(dma_unmap_sg);
+
+/**
+ * dma_sync_sg_for_cpu
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ */
+void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
+			int nents, enum dma_data_direction dir)
+{
+	struct scatterlist *s;
+	int i;
+
+	for_each_sg(sg, s, nents, i) {
+		dmabounce_sync_for_cpu(dev, sg_dma_address(s), 0,
+					sg_dma_len(s), dir);
+	}
+}
+EXPORT_SYMBOL(dma_sync_sg_for_cpu);
+
+/**
+ * dma_sync_sg_for_device
+ * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
+ * @sg: list of buffers
+ * @nents: number of buffers to map (returned from dma_map_sg)
+ * @dir: DMA transfer direction (same as was passed to dma_map_sg)
+ */
+void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
+			int nents, enum dma_data_direction dir)
+{
+	struct scatterlist *s;
+	int i;
+
+	for_each_sg(sg, s, nents, i) {
+		if (!dmabounce_sync_for_device(dev, sg_dma_address(s), 0,
+					sg_dma_len(s), dir))
+			continue;
+
+		if (!arch_is_coherent())
+			dma_cache_maint(sg_virt(s), s->length, dir);
+	}
+}
+EXPORT_SYMBOL(dma_sync_sg_for_device);
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index 9592c3ee4cb..9d285626bc7 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -2,7 +2,7 @@
  *  linux/arch/arm/mm/extable.c
  */
 #include <linux/module.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 int fixup_exception(struct pt_regs *regs)
 {
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index a8ec97b4752..81d0b8772de 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -17,11 +17,13 @@
 #include <linux/init.h>
 #include <linux/pagemap.h>
 
+#include <asm/bugs.h>
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 
-static unsigned long shared_pte_mask = L_PTE_CACHEABLE;
+static unsigned long shared_pte_mask = L_PTE_MT_BUFFERABLE;
 
 /*
  * We take the easy way out of this problem - we make the
@@ -63,9 +65,10 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
 	 * If this page isn't present, or is already setup to
 	 * fault (ie, is old), we can safely ignore any issues.
 	 */
-	if (ret && pte_val(entry) & shared_pte_mask) {
+	if (ret && (pte_val(entry) & L_PTE_MT_MASK) != shared_pte_mask) {
 		flush_cache_page(vma, address, pte_pfn(entry));
-		pte_val(entry) &= ~shared_pte_mask;
+		pte_val(entry) &= ~L_PTE_MT_MASK;
+		pte_val(entry) |= shared_pte_mask;
 		set_pte_at(vma->vm_mm, address, pte, entry);
 		flush_tlb_page(vma, address);
 	}
@@ -197,7 +200,7 @@ void __init check_writebuffer_bugs(void)
 		unsigned long *p1, *p2;
 		pgprot_t prot = __pgprot(L_PTE_PRESENT|L_PTE_YOUNG|
 					 L_PTE_DIRTY|L_PTE_WRITE|
-					 L_PTE_BUFFERABLE);
+					 L_PTE_MT_BUFFERABLE);
 
 		p1 = vmap(&page, 1, VM_IOREMAP, prot);
 		p2 = vmap(&page, 1, VM_IOREMAP, prot);
@@ -218,7 +221,7 @@ void __init check_writebuffer_bugs(void)
 
 	if (v) {
 		printk("failed, %s\n", reason);
-		shared_pte_mask |= L_PTE_BUFFERABLE;
+		shared_pte_mask = L_PTE_MT_UNCACHED;
 	} else {
 		printk("ok\n");
 	}
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 28ad7ab1c0c..2df8d9facf5 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -13,11 +13,11 @@
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <linux/kprobes.h>
+#include <linux/uaccess.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
-#include <asm/uaccess.h>
 
 #include "fault.h"
 
@@ -72,9 +72,8 @@ void show_pte(struct mm_struct *mm, unsigned long addr)
 		}
 
 		pmd = pmd_offset(pgd, addr);
-#if PTRS_PER_PMD != 1
-		printk(", *pmd=%08lx", pmd_val(*pmd));
-#endif
+		if (PTRS_PER_PMD != 1)
+			printk(", *pmd=%08lx", pmd_val(*pmd));
 
 		if (pmd_none(*pmd))
 			break;
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 029ee65fda2..0fa9bf388f0 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -12,6 +12,7 @@
 #include <linux/pagemap.h>
 
 #include <asm/cacheflush.h>
+#include <asm/cachetype.h>
 #include <asm/system.h>
 #include <asm/tlbflush.h>
 
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 30a69d67d67..82c4b421798 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -26,9 +26,42 @@
 
 #include "mm.h"
 
-extern void _text, _etext, __data_start, _end, __init_begin, __init_end;
-extern unsigned long phys_initrd_start;
-extern unsigned long phys_initrd_size;
+static unsigned long phys_initrd_start __initdata = 0;
+static unsigned long phys_initrd_size __initdata = 0;
+
+static void __init early_initrd(char **p)
+{
+	unsigned long start, size;
+
+	start = memparse(*p, p);
+	if (**p == ',') {
+		size = memparse((*p) + 1, p);
+
+		phys_initrd_start = start;
+		phys_initrd_size = size;
+	}
+}
+__early_param("initrd=", early_initrd);
+
+static int __init parse_tag_initrd(const struct tag *tag)
+{
+	printk(KERN_WARNING "ATAG_INITRD is deprecated; "
+		"please update your bootloader.\n");
+	phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
+	phys_initrd_size = tag->u.initrd.size;
+	return 0;
+}
+
+__tagtable(ATAG_INITRD, parse_tag_initrd);
+
+static int __init parse_tag_initrd2(const struct tag *tag)
+{
+	phys_initrd_start = tag->u.initrd.start;
+	phys_initrd_size = tag->u.initrd.size;
+	return 0;
+}
+
+__tagtable(ATAG_INITRD2, parse_tag_initrd2);
 
 /*
  * This is used to pass memory configuration data from paging_init
@@ -36,10 +69,6 @@ extern unsigned long phys_initrd_size;
  */
 static struct meminfo meminfo = { 0, };
 
-#define for_each_nodebank(iter,mi,no)			\
-	for (iter = 0; iter < mi->nr_banks; iter++)	\
-		if (mi->bank[iter].node == no)
-
 void show_mem(void)
 {
 	int free = 0, total = 0, reserved = 0;
@@ -50,14 +79,15 @@ void show_mem(void)
 	show_free_areas();
 	for_each_online_node(node) {
 		pg_data_t *n = NODE_DATA(node);
-		struct page *map = n->node_mem_map - n->node_start_pfn;
+		struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
 
 		for_each_nodebank (i,mi,node) {
+			struct membank *bank = &mi->bank[i];
 			unsigned int pfn1, pfn2;
 			struct page *page, *end;
 
-			pfn1 = __phys_to_pfn(mi->bank[i].start);
-			pfn2 = __phys_to_pfn(mi->bank[i].size + mi->bank[i].start);
+			pfn1 = bank_pfn_start(bank);
+			pfn2 = bank_pfn_end(bank);
 
 			page = map + pfn1;
 			end  = map + pfn2;
@@ -96,17 +126,17 @@ void show_mem(void)
 static unsigned int __init
 find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages)
 {
-	unsigned int start_pfn, bank, bootmap_pfn;
+	unsigned int start_pfn, i, bootmap_pfn;
 
 	start_pfn   = PAGE_ALIGN(__pa(&_end)) >> PAGE_SHIFT;
 	bootmap_pfn = 0;
 
-	for_each_nodebank(bank, mi, node) {
+	for_each_nodebank(i, mi, node) {
+		struct membank *bank = &mi->bank[i];
 		unsigned int start, end;
 
-		start = mi->bank[bank].start >> PAGE_SHIFT;
-		end   = (mi->bank[bank].size +
-			 mi->bank[bank].start) >> PAGE_SHIFT;
+		start = bank_pfn_start(bank);
+		end   = bank_pfn_end(bank);
 
 		if (end < start_pfn)
 			continue;
@@ -145,13 +175,10 @@ static int __init check_initrd(struct meminfo *mi)
 		initrd_node = -1;
 
 		for (i = 0; i < mi->nr_banks; i++) {
-			unsigned long bank_end;
-
-			bank_end = mi->bank[i].start + mi->bank[i].size;
-
-			if (mi->bank[i].start <= phys_initrd_start &&
-			    end <= bank_end)
-				initrd_node = mi->bank[i].node;
+			struct membank *bank = &mi->bank[i];
+			if (bank_phys_start(bank) <= phys_initrd_start &&
+			    end <= bank_phys_end(bank))
+				initrd_node = bank->node;
 		}
 	}
 
@@ -171,19 +198,17 @@ static inline void map_memory_bank(struct membank *bank)
 #ifdef CONFIG_MMU
 	struct map_desc map;
 
-	map.pfn = __phys_to_pfn(bank->start);
-	map.virtual = __phys_to_virt(bank->start);
-	map.length = bank->size;
+	map.pfn = bank_pfn_start(bank);
+	map.virtual = __phys_to_virt(bank_phys_start(bank));
+	map.length = bank_phys_size(bank);
 	map.type = MT_MEMORY;
 
 	create_mapping(&map);
 #endif
 }
 
-static unsigned long __init
-bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
+static unsigned long __init bootmem_init_node(int node, struct meminfo *mi)
 {
-	unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
 	unsigned long start_pfn, end_pfn, boot_pfn;
 	unsigned int boot_pages;
 	pg_data_t *pgdat;
@@ -199,8 +224,8 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
 		struct membank *bank = &mi->bank[i];
 		unsigned long start, end;
 
-		start = bank->start >> PAGE_SHIFT;
-		end = (bank->start + bank->size) >> PAGE_SHIFT;
+		start = bank_pfn_start(bank);
+		end = bank_pfn_end(bank);