Merge commit 'v2.6.27-rc3' into x86/prototypes

Conflicts:

	include/asm-x86/dma-mapping.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 42 insertions, 23 deletions

diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 798bf9835a5..e566ff43884 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -163,8 +163,14 @@ per_cpu_init (void)
 	 * get_zeroed_page().
 	 */
 	if (first_time) {
+		void *cpu0_data = __phys_per_cpu_start - PERCPU_PAGE_SIZE;
+
 		first_time=0;
-		for (cpu = 0; cpu < NR_CPUS; cpu++) {
+
+		__per_cpu_offset[0] = (char *) cpu0_data - __per_cpu_start;
+		per_cpu(local_per_cpu_offset, 0) = __per_cpu_offset[0];
+
+		for (cpu = 1; cpu < NR_CPUS; cpu++) {
 			memcpy(cpu_data, __phys_per_cpu_start, __per_cpu_end - __per_cpu_start);
 			__per_cpu_offset[cpu] = (char *) cpu_data - __per_cpu_start;
 			cpu_data += PERCPU_PAGE_SIZE;
@@ -177,7 +183,7 @@ per_cpu_init (void)
 static inline void
 alloc_per_cpu_data(void)
 {
-	cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
+	cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS-1,
 				   PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
 }
 #else
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 544dc420c65..78026aabaa7 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -36,7 +36,6 @@ struct early_node_data {
 	struct ia64_node_data *node_data;
 	unsigned long pernode_addr;
 	unsigned long pernode_size;
-	struct bootmem_data bootmem_data;
 	unsigned long num_physpages;
 #ifdef CONFIG_ZONE_DMA
 	unsigned long num_dma_physpages;
@@ -75,17 +74,17 @@ pg_data_t *pgdat_list[MAX_NUMNODES];
 static int __init build_node_maps(unsigned long start, unsigned long len,
 				  int node)
 {
-	unsigned long cstart, epfn, end = start + len;
-	struct bootmem_data *bdp = &mem_data[node].bootmem_data;
+	unsigned long spfn, epfn, end = start + len;
+	struct bootmem_data *bdp = &bootmem_node_data[node];
 
 	epfn = GRANULEROUNDUP(end) >> PAGE_SHIFT;
-	cstart = GRANULEROUNDDOWN(start);
+	spfn = GRANULEROUNDDOWN(start) >> PAGE_SHIFT;
 
 	if (!bdp->node_low_pfn) {
-		bdp->node_boot_start = cstart;
+		bdp->node_min_pfn = spfn;
 		bdp->node_low_pfn = epfn;
 	} else {
-		bdp->node_boot_start = min(cstart, bdp->node_boot_start);
+		bdp->node_min_pfn = min(spfn, bdp->node_min_pfn);
 		bdp->node_low_pfn = max(epfn, bdp->node_low_pfn);
 	}
 
@@ -144,7 +143,11 @@ static void *per_cpu_node_setup(void *cpu_data, int node)
 	int cpu;
 
 	for_each_possible_early_cpu(cpu) {
-		if (node == node_cpuid[cpu].nid) {
+		if (cpu == 0) {
+			void *cpu0_data = __phys_per_cpu_start - PERCPU_PAGE_SIZE;
+			__per_cpu_offset[cpu] = (char*)cpu0_data -
+				__per_cpu_start;
+		} else if (node == node_cpuid[cpu].nid) {
 			memcpy(__va(cpu_data), __phys_per_cpu_start,
 			       __per_cpu_end - __per_cpu_start);
 			__per_cpu_offset[cpu] = (char*)__va(cpu_data) -
@@ -167,7 +170,7 @@ static void __init fill_pernode(int node, unsigned long pernode,
 {
 	void *cpu_data;
 	int cpus = early_nr_cpus_node(node);
-	struct bootmem_data *bdp = &mem_data[node].bootmem_data;
+	struct bootmem_data *bdp = &bootmem_node_data[node];
 
 	mem_data[node].pernode_addr = pernode;
 	mem_data[node].pernode_size = pernodesize;
@@ -222,20 +225,21 @@ static void __init fill_pernode(int node, unsigned long pernode,
 static int __init find_pernode_space(unsigned long start, unsigned long len,
 				     int node)
 {
-	unsigned long epfn;
+	unsigned long spfn, epfn;
 	unsigned long pernodesize = 0, pernode, pages, mapsize;
-	struct bootmem_data *bdp = &mem_data[node].bootmem_data;
+	struct bootmem_data *bdp = &bootmem_node_data[node];
 
+	spfn = start >> PAGE_SHIFT;
 	epfn = (start + len) >> PAGE_SHIFT;
 
-	pages = bdp->node_low_pfn - (bdp->node_boot_start >> PAGE_SHIFT);
+	pages = bdp->node_low_pfn - bdp->node_min_pfn;
 	mapsize = bootmem_bootmap_pages(pages) << PAGE_SHIFT;
 
 	/*
 	 * Make sure this memory falls within this node's usable memory
 	 * since we may have thrown some away in build_maps().
 	 */
-	if (start < bdp->node_boot_start || epfn > bdp->node_low_pfn)
+	if (spfn < bdp->node_min_pfn || epfn > bdp->node_low_pfn)
 		return 0;
 
 	/* Don't setup this node's local space twice... */
@@ -297,7 +301,7 @@ static void __init reserve_pernode_space(void)
 		bdp = pdp->bdata;
 
 		/* First the bootmem_map itself */
-		pages = bdp->node_low_pfn - (bdp->node_boot_start>>PAGE_SHIFT);
+		pages = bdp->node_low_pfn - bdp->node_min_pfn;
 		size = bootmem_bootmap_pages(pages) << PAGE_SHIFT;
 		base = __pa(bdp->node_bootmem_map);
 		reserve_bootmem_node(pdp, base, size, BOOTMEM_DEFAULT);
@@ -440,7 +444,7 @@ void __init find_memory(void)
 	efi_memmap_walk(find_max_min_low_pfn, NULL);
 
 	for_each_online_node(node)
-		if (mem_data[node].bootmem_data.node_low_pfn) {
+		if (bootmem_node_data[node].node_low_pfn) {
 			node_clear(node, memory_less_mask);
 			mem_data[node].min_pfn = ~0UL;
 		}
@@ -460,14 +464,14 @@ void __init find_memory(void)
 		else if (node_isset(node, memory_less_mask))
 			continue;
 
-		bdp = &mem_data[node].bootmem_data;
+		bdp = &bootmem_node_data[node];
 		pernode = mem_data[node].pernode_addr;
 		pernodesize = mem_data[node].pernode_size;
 		map = pernode + pernodesize;
 
 		init_bootmem_node(pgdat_list[node],
 				  map>>PAGE_SHIFT,
-				  bdp->node_boot_start>>PAGE_SHIFT,
+				  bdp->node_min_pfn,
 				  bdp->node_low_pfn);
 	}
 
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index d3ce8f3bcaa..b0f615759e9 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -13,6 +13,7 @@
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/pagemap.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/log2.h>
@@ -21,10 +22,11 @@
 #include <asm/tlb.h>
 #include <asm/tlbflush.h>
 
-unsigned int hpage_shift=HPAGE_SHIFT_DEFAULT;
+unsigned int hpage_shift = HPAGE_SHIFT_DEFAULT;
+EXPORT_SYMBOL(hpage_shift);
 
 pte_t *
-huge_pte_alloc (struct mm_struct *mm, unsigned long addr)
+huge_pte_alloc(struct mm_struct *mm, unsigned long addr, unsigned long sz)
 {
 	unsigned long taddr = htlbpage_to_page(addr);
 	pgd_t *pgd;
@@ -75,7 +77,8 @@ int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
  * Don't actually need to do any preparation, but need to make sure
  * the address is in the right region.
  */
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(struct file *file,
+			unsigned long addr, unsigned long len)
 {
 	if (len & ~HPAGE_MASK)
 		return -EINVAL;
@@ -106,13 +109,19 @@ int pmd_huge(pmd_t pmd)
 {
 	return 0;
 }
+
+int pud_huge(pud_t pud)
+{
+	return 0;
+}
+
 struct page *
 follow_huge_pmd(struct mm_struct *mm, unsigned long address, pmd_t *pmd, int write)
 {
 	return NULL;
 }
 
-void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+void hugetlb_free_pgd_range(struct mmu_gather *tlb,
 			unsigned long addr, unsigned long end,
 			unsigned long floor, unsigned long ceiling)
 {
@@ -149,7 +158,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u
 
 	/* Handle MAP_FIXED */
 	if (flags & MAP_FIXED) {
-		if (prepare_hugepage_range(addr, len))
+		if (prepare_hugepage_range(file, addr, len))
 			return -EINVAL;
 		return addr;
 	}