diff options
Diffstat (limited to 'arch/arm64/mm/init.c')
| -rw-r--r-- | arch/arm64/mm/init.c | 35 | 
1 files changed, 20 insertions, 15 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index e90c5426fe14..a83061f37e43 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -32,7 +32,9 @@  #include <linux/of_fdt.h>  #include <linux/dma-mapping.h>  #include <linux/dma-contiguous.h> +#include <linux/efi.h> +#include <asm/fixmap.h>  #include <asm/sections.h>  #include <asm/setup.h>  #include <asm/sizes.h> @@ -137,20 +139,16 @@ void __init arm64_memblock_init(void)  {  	phys_addr_t dma_phys_limit = 0; -	/* Register the kernel text, kernel data and initrd with memblock */ +	/* +	 * Register the kernel text, kernel data, initrd, and initial +	 * pagetables with memblock. +	 */  	memblock_reserve(__pa(_text), _end - _text);  #ifdef CONFIG_BLK_DEV_INITRD  	if (initrd_start)  		memblock_reserve(__virt_to_phys(initrd_start), initrd_end - initrd_start);  #endif -	/* -	 * Reserve the page tables.  These are already in use, -	 * and can only be in node 0. -	 */ -	memblock_reserve(__pa(swapper_pg_dir), SWAPPER_DIR_SIZE); -	memblock_reserve(__pa(idmap_pg_dir), IDMAP_DIR_SIZE); -  	early_init_fdt_scan_reserved_mem();  	/* 4GB maximum for 32-bit only capable devices */ @@ -269,26 +267,33 @@ void __init mem_init(void)  #define MLK(b, t) b, t, ((t) - (b)) >> 10  #define MLM(b, t) b, t, ((t) - (b)) >> 20 +#define MLG(b, t) b, t, ((t) - (b)) >> 30  #define MLK_ROUNDUP(b, t) b, t, DIV_ROUND_UP(((t) - (b)), SZ_1K)  	pr_notice("Virtual kernel memory layout:\n" -		  "    vmalloc : 0x%16lx - 0x%16lx   (%6ld MB)\n" +		  "    vmalloc : 0x%16lx - 0x%16lx   (%6ld GB)\n"  #ifdef CONFIG_SPARSEMEM_VMEMMAP -		  "    vmemmap : 0x%16lx - 0x%16lx   (%6ld MB)\n" +		  "    vmemmap : 0x%16lx - 0x%16lx   (%6ld GB maximum)\n" +		  "              0x%16lx - 0x%16lx   (%6ld MB actual)\n"  #endif +		  "    PCI I/O : 0x%16lx - 0x%16lx   (%6ld MB)\n" +		  "    fixed   : 0x%16lx - 0x%16lx   (%6ld KB)\n"  		  "    modules : 0x%16lx - 0x%16lx   (%6ld MB)\n"  		  "    memory  : 0x%16lx - 0x%16lx   (%6ld MB)\n" -		  "      .init : 0x%p" " - 0x%p" "   (%6ld kB)\n" -		  "      .text : 0x%p" " - 0x%p" "   (%6ld kB)\n" -		  "      .data : 0x%p" " - 0x%p" "   (%6ld kB)\n", -		  MLM(VMALLOC_START, VMALLOC_END), +		  "      .init : 0x%p" " - 0x%p" "   (%6ld KB)\n" +		  "      .text : 0x%p" " - 0x%p" "   (%6ld KB)\n" +		  "      .data : 0x%p" " - 0x%p" "   (%6ld KB)\n", +		  MLG(VMALLOC_START, VMALLOC_END),  #ifdef CONFIG_SPARSEMEM_VMEMMAP +		  MLG((unsigned long)vmemmap, +		      (unsigned long)vmemmap + VMEMMAP_SIZE),  		  MLM((unsigned long)virt_to_page(PAGE_OFFSET),  		      (unsigned long)virt_to_page(high_memory)),  #endif +		  MLM((unsigned long)PCI_IOBASE, (unsigned long)PCI_IOBASE + SZ_16M), +		  MLK(FIXADDR_START, FIXADDR_TOP),  		  MLM(MODULES_VADDR, MODULES_END),  		  MLM(PAGE_OFFSET, (unsigned long)high_memory), -  		  MLK_ROUNDUP(__init_begin, __init_end),  		  MLK_ROUNDUP(_text, _etext),  		  MLK_ROUNDUP(_sdata, _edata));  |