patch-2.4.19 linux-2.4.19/arch/i386/mm/init.c

• Lines: 67
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/i386/mm/init.c
• Orig date: Fri Dec 21 09:41:53 2001

diff -urN linux-2.4.18/arch/i386/mm/init.c linux-2.4.19/arch/i386/mm/init.c
@@ -128,7 +128,6 @@
 static inline void set_pte_phys (unsigned long vaddr,
 			unsigned long phys, pgprot_t flags)
 {
-	pgprot_t prot;
 	pgd_t *pgd;
 	pmd_t *pmd;
 	pte_t *pte;
@@ -144,10 +143,8 @@
 		return;
 	}
 	pte = pte_offset(pmd, vaddr);
-	if (pte_val(*pte))
-		pte_ERROR(*pte);
-	pgprot_val(prot) = pgprot_val(PAGE_KERNEL) | pgprot_val(flags);
-	set_pte(pte, mk_pte_phys(phys, prot));
+	/* <phys,flags> stored as-is, to permit clearing entries */
+	set_pte(pte, mk_pte_phys(phys, flags));
 
 	/*
 	 * It's enough to flush this one mapping.
@@ -334,7 +331,7 @@
 {
 	pagetable_init();
 
-	__asm__( "movl %%ecx,%%cr3\n" ::"c"(__pa(swapper_pg_dir)));
+	load_cr3(swapper_pg_dir);	
 
 #if CONFIG_X86_PAE
 	/*
@@ -462,8 +459,9 @@
 #ifdef CONFIG_HIGHMEM
 	highmem_start_page = mem_map + highstart_pfn;
 	max_mapnr = num_physpages = highend_pfn;
+	num_mappedpages = max_low_pfn;
 #else
-	max_mapnr = num_physpages = max_low_pfn;
+	max_mapnr = num_mappedpages = num_physpages = max_low_pfn;
 #endif
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 
@@ -505,7 +503,7 @@
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
 	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
 
-	printk("Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n",
+	printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init, %ldk highmem)\n",
 		(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
 		max_mapnr << (PAGE_SHIFT-10),
 		codesize >> 10,
@@ -569,14 +567,14 @@
 		free_page(addr);
 		totalram_pages++;
 	}
-	printk ("Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10);
+	printk (KERN_INFO "Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10);
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
 	if (start < end)
-		printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+		printk (KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
 	for (; start < end; start += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(start));
 		set_page_count(virt_to_page(start), 1);