ppc64: add arg to do_fork and fix ELF_AUX entries as done in ppc32

arch/ppc64/kernel/pSeries_pci.c

 /*
  * pSeries_pci.c
  *
- * pSeries_pcibios_init(void)opyright (C) 2001 Dave Engebretsen, IBM Corporation
+ * Copyright (C) 2001 Dave Engebretsen, IBM Corporation
  *
  * pSeries specific routines for PCI.
  * 
@@ -565,8 +565,7 @@ alloc_phb(struct device_node *dev, char *model, unsigned int addr_size_words)
 	
 	if (buid_vals == NULL) {
 		phb->buid = 0;
-	} 
-  else {
+	} else {
 		struct pci_bus check;
 		if (sizeof(check.number) == 1 || sizeof(check.primary) == 1 ||
 		    sizeof(check.secondary) == 1 || sizeof(check.subordinate) == 1) {
@@ -784,6 +783,7 @@ pSeries_pcibios_init_early(void)
 	ppc_md.pcibios_write_config_word = rtas_write_config_word;
 	ppc_md.pcibios_write_config_dword = rtas_write_config_dword;
 }
+
 /************************************************************************/
 /* Get a char* of the device physical location(U0.3-P1-I8)              */
 /* See the Product Topology in the RS/6000 Architecture.                */

arch/ppc64/kernel/process.c

@@ -260,11 +260,13 @@ int sys_clone(unsigned long clone_flags, u32 p2, u32 p3, u32 p4, u32 p5,
 	      u32 p6, struct pt_regs *regs)
 {
 	struct task_struct *p;
+	int *user_tid = (int *)p3;
 
 	if (regs->msr & MSR_FP)
 		giveup_fpu(current);
 
-	p = do_fork(clone_flags & ~CLONE_IDLETASK, regs->gpr[1], regs, 0);
+	p = do_fork(clone_flags & ~CLONE_IDLETASK, regs->gpr[1], regs, 0,
+		    user_tid);
 	return IS_ERR(p) ? PTR_ERR(p) : p->pid;
 }
 
@@ -276,7 +278,7 @@ int sys_fork(u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
 	if (regs->msr & MSR_FP)
 		giveup_fpu(current);
 
-	p = do_fork(SIGCHLD, regs->gpr[1], regs, 0);
+	p = do_fork(SIGCHLD, regs->gpr[1], regs, 0, NULL);
 	return IS_ERR(p) ? PTR_ERR(p) : p->pid;
 }
 
@@ -288,7 +290,8 @@ int sys_vfork(u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
 	if (regs->msr & MSR_FP)
 		giveup_fpu(current);
 
-	p = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->gpr[1], regs, 0);
+	p = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->gpr[1], regs, 0,
+	            NULL);
 	return IS_ERR(p) ? PTR_ERR(p) : p->pid;
 }
 

arch/ppc64/kernel/smp.c

@@ -616,7 +616,7 @@ int __devinit __cpu_up(unsigned int cpu)
 	/* create a process for the processor */
 	/* only regs.msr is actually used, and 0 is OK for it */
 	memset(&regs, 0, sizeof(struct pt_regs));
-	p = do_fork(CLONE_VM|CLONE_IDLETASK, 0, &regs, 0);
+	p = do_fork(CLONE_VM|CLONE_IDLETASK, 0, &regs, 0, NULL);
 	if (IS_ERR(p))
 		panic("failed fork for CPU %u: %li", cpu, PTR_ERR(p));
 

arch/ppc64/mm/init.c

@@ -98,21 +98,23 @@ mmu_gather_t     mmu_gathers[NR_CPUS];
 
 void show_mem(void)
 {
-	int i,total = 0,reserved = 0;
+	int pfn, total = 0, reserved = 0;
 	int shared = 0, cached = 0;
+	struct page *page;
 
 	printk("Mem-info:\n");
 	show_free_areas();
 	printk("Free swap:       %6dkB\n",nr_swap_pages<<(PAGE_SHIFT-10));
-	i = max_mapnr;
-	while (i-- > 0) {
+	pfn = max_mapnr;
+	while (pfn-- > 0) {
+		page = pfn_to_page(pfn);
 		total++;
-		if (PageReserved(mem_map+i))
+		if (PageReserved(page))
 			reserved++;
-		else if (PageSwapCache(mem_map+i))
+		else if (PageSwapCache(page))
 			cached++;
-		else if (page_count(mem_map+i))
-			shared += page_count(mem_map+i) - 1;
+		else if (page_count(page))
+			shared += page_count(page) - 1;
 	}
 	printk("%d pages of RAM\n",total);
 	printk("%d reserved pages\n",reserved);

include/asm-ppc64/elf.h

@@ -122,12 +122,13 @@ extern int ucache_bsize;
  */
 #define ARCH_DLINFO							\
 do {									\
+	/* Handle glibc compatibility. */				\
+	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
+	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
+	/* Cache size items */						\
 	NEW_AUX_ENT(AT_DCACHEBSIZE, dcache_bsize);			\
 	NEW_AUX_ENT(AT_ICACHEBSIZE, icache_bsize);			\
 	NEW_AUX_ENT(AT_UCACHEBSIZE, ucache_bsize);			\
-	/* Now handle glibc compatibility. */				\
-	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
-	NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC);			\
  } while (0)
 
 #endif /* __PPC64_ELF_H */