コード例 #1
0
ファイル: init.c プロジェクト: Gaffey/linux
void __init mem_init(void)
{
	int i;
#ifndef __tilegx__
	void *last;
#endif

#ifdef CONFIG_FLATMEM
	BUG_ON(!mem_map);
#endif

#ifdef CONFIG_HIGHMEM
	/* check that fixmap and pkmap do not overlap */
	if (PKMAP_ADDR(LAST_PKMAP-1) >= FIXADDR_START) {
		pr_err("fixmap and kmap areas overlap - this will crash\n");
		pr_err("pkstart: %lxh pkend: %lxh fixstart %lxh\n",
		       PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP-1), FIXADDR_START);
		BUG();
	}
#endif

	set_max_mapnr_init();

	/* this will put all bootmem onto the freelists */
	free_all_bootmem();

#ifndef CONFIG_64BIT
	/* count all remaining LOWMEM and give all HIGHMEM to page allocator */
	set_non_bootmem_pages_init();
#endif

	mem_init_print_info(NULL);

	/*
	 * In debug mode, dump some interesting memory mappings.
	 */
#ifdef CONFIG_HIGHMEM
	printk(KERN_DEBUG "  KMAP    %#lx - %#lx\n",
	       FIXADDR_START, FIXADDR_TOP + PAGE_SIZE - 1);
	printk(KERN_DEBUG "  PKMAP   %#lx - %#lx\n",
	       PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP) - 1);
#endif
	printk(KERN_DEBUG "  VMALLOC %#lx - %#lx\n",
	       _VMALLOC_START, _VMALLOC_END - 1);
#ifdef __tilegx__
	for (i = MAX_NUMNODES-1; i >= 0; --i) {
		struct pglist_data *node = &node_data[i];
		if (node->node_present_pages) {
			unsigned long start = (unsigned long)
				pfn_to_kaddr(node->node_start_pfn);
			unsigned long end = start +
				(node->node_present_pages << PAGE_SHIFT);
			printk(KERN_DEBUG "  MEM%d    %#lx - %#lx\n",
			       i, start, end - 1);
		}
	}
#else
	last =
コード例 #2
0
ファイル: init.c プロジェクト: FireBurn/linux
void __init mem_init(void)
{
	high_memory = (void *)(memory_end & PAGE_MASK);

	/* this will put all memory onto the freelists */
	memblock_free_all();

	mem_init_print_info(NULL);
}
コード例 #3
0
ファイル: init.c プロジェクト: 150balbes/Amlogic_s905-kernel
void __init mem_init(void)
{
#ifdef CONFIG_FLATMEM
	BUG_ON(!mem_map);
#endif /* CONFIG_FLATMEM */

	high_memory = (void *)(__va(PFN_PHYS(max_low_pfn)));
	memblock_free_all();

	mem_init_print_info(NULL);
}
コード例 #4
0
ファイル: init.c プロジェクト: FireBurn/linux
void __init mem_init(void)
{
	pr_devel("Mem_init: start=%lx, end=%lx\n", memory_start, memory_end);

	high_memory = (void *) (memory_end & PAGE_MASK);
	max_mapnr = MAP_NR(high_memory);

	/* this will put all low memory onto the freelists */
	memblock_free_all();

	mem_init_print_info(NULL);
}
コード例 #5
0
ファイル: init.c プロジェクト: E-LLP/linux
/*
 * mem_init - initializes memory
 *
 * Frees up bootmem
 * Calculates and displays memory available/used
 */
void __init mem_init(void)
{
#ifdef CONFIG_HIGHMEM
	unsigned long tmp;

	reset_all_zones_managed_pages();
	for (tmp = min_high_pfn; tmp < max_pfn; tmp++)
		free_highmem_page(pfn_to_page(tmp));
#endif

	free_all_bootmem();
	mem_init_print_info(NULL);
}
コード例 #6
0
ファイル: init.c プロジェクト: OpenChannelSSD/linux
void __init mem_init(void)
{
	unsigned long end_mem   = memory_end; /* this must not include
						kernel stack at top */

	pr_debug("mem_init: start=%lx, end=%lx\n", memory_start, memory_end);

	end_mem &= PAGE_MASK;
	high_memory = __va(end_mem);

	/* this will put all memory onto the freelists */
	memblock_free_all();
	mem_init_print_info(NULL);
}
コード例 #7
0
ファイル: init.c プロジェクト: JeremyGrosser/linux
void __init mem_init(void)
{
	cpumask_set_cpu(0, &init_mm.context.cpu_attach_mask);
	cpumask_set_cpu(0, mm_cpumask(&init_mm));

	set_max_mapnr(max_low_pfn);
        high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);

	/* Setup guest page hinting */
	cmma_init();

	/* this will put all low memory onto the freelists */
	free_all_bootmem();
	setup_zero_pages();	/* Setup zeroed pages. */

	cmma_init_nodat();

	mem_init_print_info(NULL);
}
コード例 #8
0
ファイル: init.c プロジェクト: 168519/linux
void __init mem_init(void)
{
	if (MACHINE_HAS_TLB_LC)
		cpumask_set_cpu(0, &init_mm.context.cpu_attach_mask);
	cpumask_set_cpu(0, mm_cpumask(&init_mm));
	atomic_set(&init_mm.context.attach_count, 1);

        max_mapnr = max_low_pfn;
        high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);

	/* Setup guest page hinting */
	cmma_init();

	/* this will put all low memory onto the freelists */
	free_all_bootmem();
	setup_zero_pages();	/* Setup zeroed pages. */

	mem_init_print_info(NULL);
	printk("Write protected kernel read-only data: %#lx - %#lx\n",
	       (unsigned long)&_stext,
	       PFN_ALIGN((unsigned long)&_eshared) - 1);
}
コード例 #9
0
ファイル: init.c プロジェクト: 01org/XenGT-Preview-kernel
/*
 * mem_init - initializes memory
 *
 * Frees up bootmem
 * Calculates and displays memory available/used
 */
void __init mem_init(void)
{
	high_memory = (void *)(CONFIG_LINUX_LINK_BASE + arc_mem_sz);
	free_all_bootmem();
	mem_init_print_info(NULL);
}
コード例 #10
0
ファイル: init.c プロジェクト: godknowspe/linux
void __init mem_init(void)
{
#ifdef CONFIG_HIGHMEM
	unsigned long tmp;

	reset_all_zones_managed_pages();
	for (tmp = max_low_pfn; tmp < max_pfn; tmp++)
		free_highmem_page(pfn_to_page(tmp));
#endif

	max_mapnr = max_pfn - ARCH_PFN_OFFSET;
	high_memory = (void *)__va(max_low_pfn << PAGE_SHIFT);

	free_all_bootmem();

	mem_init_print_info(NULL);
	pr_info("virtual kernel memory layout:\n"
#ifdef CONFIG_KASAN
		"    kasan   : 0x%08lx - 0x%08lx  (%5lu MB)\n"
#endif
#ifdef CONFIG_MMU
		"    vmalloc : 0x%08lx - 0x%08lx  (%5lu MB)\n"
#endif
#ifdef CONFIG_HIGHMEM
		"    pkmap   : 0x%08lx - 0x%08lx  (%5lu kB)\n"
		"    fixmap  : 0x%08lx - 0x%08lx  (%5lu kB)\n"
#endif
		"    lowmem  : 0x%08lx - 0x%08lx  (%5lu MB)\n"
		"    .text   : 0x%08lx - 0x%08lx  (%5lu kB)\n"
		"    .rodata : 0x%08lx - 0x%08lx  (%5lu kB)\n"
		"    .data   : 0x%08lx - 0x%08lx  (%5lu kB)\n"
		"    .init   : 0x%08lx - 0x%08lx  (%5lu kB)\n"
		"    .bss    : 0x%08lx - 0x%08lx  (%5lu kB)\n",
#ifdef CONFIG_KASAN
		KASAN_SHADOW_START, KASAN_SHADOW_START + KASAN_SHADOW_SIZE,
		KASAN_SHADOW_SIZE >> 20,
#endif
#ifdef CONFIG_MMU
		VMALLOC_START, VMALLOC_END,
		(VMALLOC_END - VMALLOC_START) >> 20,
#ifdef CONFIG_HIGHMEM
		PKMAP_BASE, PKMAP_BASE + LAST_PKMAP * PAGE_SIZE,
		(LAST_PKMAP*PAGE_SIZE) >> 10,
		FIXADDR_START, FIXADDR_TOP,
		(FIXADDR_TOP - FIXADDR_START) >> 10,
#endif
		PAGE_OFFSET, PAGE_OFFSET +
		(max_low_pfn - min_low_pfn) * PAGE_SIZE,
#else
		min_low_pfn * PAGE_SIZE, max_low_pfn * PAGE_SIZE,
#endif
		((max_low_pfn - min_low_pfn) * PAGE_SIZE) >> 20,
		(unsigned long)_text, (unsigned long)_etext,
		(unsigned long)(_etext - _text) >> 10,
		(unsigned long)__start_rodata, (unsigned long)_sdata,
		(unsigned long)(_sdata - __start_rodata) >> 10,
		(unsigned long)_sdata, (unsigned long)_edata,
		(unsigned long)(_edata - _sdata) >> 10,
		(unsigned long)__init_begin, (unsigned long)__init_end,
		(unsigned long)(__init_end - __init_begin) >> 10,
		(unsigned long)__bss_start, (unsigned long)__bss_stop,
		(unsigned long)(__bss_stop - __bss_start) >> 10);
}
コード例 #11
0
ファイル: init.c プロジェクト: 01org/prd
/*
 * mem_init - initializes memory
 *
 * Frees up bootmem
 * Calculates and displays memory available/used
 */
void __init mem_init(void)
{
	free_all_bootmem();
	mem_init_print_info(NULL);
}