diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/setup.c | 99 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 3 | ||||
| -rw-r--r-- | arch/mips/loongson64/loongson-3/numa.c | 34 | ||||
| -rw-r--r-- | arch/mips/sgi-ip27/ip27-memory.c | 11 |
5 files changed, 46 insertions, 102 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1a119fd7324d..f744d25f7423 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -78,6 +78,7 @@ config MIPS select RTC_LIB if !MACH_LOONGSON64 select SYSCTL_EXCEPTION_TRACE select VIRT_TO_BUS + select NO_BOOTMEM menu "Machine selection" diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 32fc11d72ad3..2fde53ebb3af 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -333,7 +333,7 @@ static void __init finalize_initrd(void) maybe_bswap_initrd(); - reserve_bootmem(__pa(initrd_start), size, BOOTMEM_DEFAULT); + memblock_reserve(__pa(initrd_start), size); initrd_below_start_ok = 1; pr_info("Initial ramdisk at: 0x%lx (%lu bytes)\n", @@ -370,20 +370,10 @@ static void __init bootmem_init(void) #else /* !CONFIG_SGI_IP27 */ -static unsigned long __init bootmap_bytes(unsigned long pages) -{ - unsigned long bytes = DIV_ROUND_UP(pages, 8); - - return ALIGN(bytes, sizeof(long)); -} - static void __init bootmem_init(void) { unsigned long reserved_end; - unsigned long mapstart = ~0UL; - unsigned long bootmap_size; phys_addr_t ramstart = PHYS_ADDR_MAX; - bool bootmap_valid = false; int i; /* @@ -395,6 +385,8 @@ static void __init bootmem_init(void) init_initrd(); reserved_end = (unsigned long) PFN_UP(__pa_symbol(&_end)); + memblock_reserve(PHYS_OFFSET, reserved_end << PAGE_SHIFT); + /* * max_low_pfn is not a number of pages. The number of pages * of the system is given by 'max_low_pfn - min_low_pfn'. @@ -442,9 +434,6 @@ static void __init bootmem_init(void) if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end))) continue; #endif - if (start >= mapstart) - continue; - mapstart = max(reserved_end, start); } if (min_low_pfn >= max_low_pfn) @@ -456,9 +445,11 @@ static void __init bootmem_init(void) /* * Reserve any memory between the start of RAM and PHYS_OFFSET */ - if (ramstart > PHYS_OFFSET) + if (ramstart > PHYS_OFFSET) { add_memory_region(PHYS_OFFSET, ramstart - PHYS_OFFSET, BOOT_MEM_RESERVED); + memblock_reserve(PHYS_OFFSET, ramstart - PHYS_OFFSET); + } if (min_low_pfn > ARCH_PFN_OFFSET) { pr_info("Wasting %lu bytes for tracking %lu unused pages\n", @@ -483,52 +474,6 @@ static void __init bootmem_init(void) max_low_pfn = PFN_DOWN(HIGHMEM_START); } -#ifdef CONFIG_BLK_DEV_INITRD - /* - * mapstart should be after initrd_end - */ - if (initrd_end) - mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end))); -#endif - - /* - * check that mapstart doesn't overlap with any of - * memory regions that have been reserved through eg. DTB - */ - bootmap_size = bootmap_bytes(max_low_pfn - min_low_pfn); - - bootmap_valid = memory_region_available(PFN_PHYS(mapstart), - bootmap_size); - for (i = 0; i < boot_mem_map.nr_map && !bootmap_valid; i++) { - unsigned long mapstart_addr; - - switch (boot_mem_map.map[i].type) { - case BOOT_MEM_RESERVED: - mapstart_addr = PFN_ALIGN(boot_mem_map.map[i].addr + - boot_mem_map.map[i].size); - if (PHYS_PFN(mapstart_addr) < mapstart) - break; - - bootmap_valid = memory_region_available(mapstart_addr, - bootmap_size); - if (bootmap_valid) - mapstart = PHYS_PFN(mapstart_addr); - break; - default: - break; - } - } - - if (!bootmap_valid) - panic("No memory area to place a bootmap bitmap"); - - /* - * Initialize the boot-time allocator with low memory only. - */ - if (bootmap_size != init_bootmem_node(NODE_DATA(0), mapstart, - min_low_pfn, max_low_pfn)) - panic("Unexpected memory size required for bootmap"); - for (i = 0; i < boot_mem_map.nr_map; i++) { unsigned long start, end; @@ -577,9 +522,9 @@ static void __init bootmem_init(void) default: /* Not usable memory */ if (start > min_low_pfn && end < max_low_pfn) - reserve_bootmem(boot_mem_map.map[i].addr, - boot_mem_map.map[i].size, - BOOTMEM_DEFAULT); + memblock_reserve(boot_mem_map.map[i].addr, + boot_mem_map.map[i].size); + continue; } @@ -602,15 +547,9 @@ static void __init bootmem_init(void) size = end - start; /* Register lowmem ranges */ - free_bootmem(PFN_PHYS(start), size << PAGE_SHIFT); memory_present(0, start, end); } - /* - * Reserve the bootmap memory. - */ - reserve_bootmem(PFN_PHYS(mapstart), bootmap_size, BOOTMEM_DEFAULT); - #ifdef CONFIG_RELOCATABLE /* * The kernel reserves all memory below its _end symbol as bootmem, @@ -907,21 +846,29 @@ static void __init arch_mem_init(char **cmdline_p) early_init_fdt_scan_reserved_mem(); bootmem_init(); + + /* + * Prevent memblock from allocating high memory. + * This cannot be done before max_low_pfn is detected, so up + * to this point is possible to only reserve physical memory + * with memblock_reserve; memblock_virt_alloc* can be used + * only after this point + */ + memblock_set_current_limit(PFN_PHYS(max_low_pfn)); + #ifdef CONFIG_PROC_VMCORE if (setup_elfcorehdr && setup_elfcorehdr_size) { printk(KERN_INFO "kdump reserved memory at %lx-%lx\n", setup_elfcorehdr, setup_elfcorehdr_size); - reserve_bootmem(setup_elfcorehdr, setup_elfcorehdr_size, - BOOTMEM_DEFAULT); + memblock_reserve(setup_elfcorehdr, setup_elfcorehdr_size); } #endif mips_parse_crashkernel(); #ifdef CONFIG_KEXEC if (crashk_res.start != crashk_res.end) - reserve_bootmem(crashk_res.start, - crashk_res.end - crashk_res.start + 1, - BOOTMEM_DEFAULT); + memblock_reserve(crashk_res.start, + crashk_res.end - crashk_res.start + 1); #endif device_tree_init(); sparse_init(); @@ -931,7 +878,7 @@ static void __init arch_mem_init(char **cmdline_p) /* Tell bootmem about cma reserved memblock section */ for_each_memblock(reserved, reg) if (reg->size != 0) - reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT); + memblock_reserve(reg->base, reg->size); reserve_bootmem_region(__pa_symbol(&__nosave_begin), __pa_symbol(&__nosave_end)); /* Reserve for hibernation */ diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 576aeef89423..5feef28deac8 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -29,6 +29,7 @@ #include <linux/spinlock.h> #include <linux/kallsyms.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/interrupt.h> #include <linux/ptrace.h> #include <linux/kgdb.h> @@ -2260,8 +2261,10 @@ void __init trap_init(void) unsigned long size = 0x200 + VECTORSPACING*64; phys_addr_t ebase_pa; + memblock_set_bottom_up(true); ebase = (unsigned long) __alloc_bootmem(size, 1 << fls(size), 0); + memblock_set_bottom_up(false); /* * Try to ensure ebase resides in KSeg0 if possible. diff --git a/arch/mips/loongson64/loongson-3/numa.c b/arch/mips/loongson64/loongson-3/numa.c index 9717106de4a5..c1e6ec52c614 100644 --- a/arch/mips/loongson64/loongson-3/numa.c +++ b/arch/mips/loongson64/loongson-3/numa.c @@ -180,43 +180,39 @@ static void __init szmem(unsigned int node) static void __init node_mem_init(unsigned int node) { - unsigned long bootmap_size; unsigned long node_addrspace_offset; - unsigned long start_pfn, end_pfn, freepfn; + unsigned long start_pfn, end_pfn; node_addrspace_offset = nid_to_addroffset(node); pr_info("Node%d's addrspace_offset is 0x%lx\n", node, node_addrspace_offset); get_pfn_range_for_nid(node, &start_pfn, &end_pfn); - freepfn = start_pfn; - if (node == 0) - freepfn = PFN_UP(__pa_symbol(&_end)); /* kernel end address */ - pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx, freepfn=0x%lx\n", - node, start_pfn, end_pfn, freepfn); + pr_info("Node%d: start_pfn=0x%lx, end_pfn=0x%lx\n", + node, start_pfn, end_pfn); __node_data[node] = prealloc__node_data + node; - NODE_DATA(node)->bdata = &bootmem_node_data[node]; NODE_DATA(node)->node_start_pfn = start_pfn; NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; - bootmap_size = init_bootmem_node(NODE_DATA(node), freepfn, - start_pfn, end_pfn); free_bootmem_with_active_regions(node, end_pfn); - if (node == 0) /* used by finalize_initrd() */ + + if (node == 0) { + /* kernel end address */ + unsigned long kernel_end_pfn = PFN_UP(__pa_symbol(&_end)); + + /* used by finalize_initrd() */ max_low_pfn = end_pfn; - /* This is reserved for the kernel and bdata->node_bootmem_map */ - reserve_bootmem_node(NODE_DATA(node), start_pfn << PAGE_SHIFT, - ((freepfn - start_pfn) << PAGE_SHIFT) + bootmap_size, - BOOTMEM_DEFAULT); + /* Reserve the kernel text/data/bss */ + memblock_reserve(start_pfn << PAGE_SHIFT, + ((kernel_end_pfn - start_pfn) << PAGE_SHIFT)); - if (node == 0 && node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) { /* Reserve 0xfe000000~0xffffffff for RS780E integrated GPU */ - reserve_bootmem_node(NODE_DATA(node), - (node_addrspace_offset | 0xfe000000), - 32 << 20, BOOTMEM_DEFAULT); + if (node_end_pfn(0) >= (0xffffffff >> PAGE_SHIFT)) + memblock_reserve((node_addrspace_offset | 0xfe000000), + 32 << 20); } sparse_memory_present_with_active_regions(node); diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index 59133d0abc83..6f7bef052b7f 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -389,7 +389,6 @@ static void __init node_mem_init(cnodeid_t node) { unsigned long slot_firstpfn = slot_getbasepfn(node, 0); unsigned long slot_freepfn = node_getfirstfree(node); - unsigned long bootmap_size; unsigned long start_pfn, end_pfn; get_pfn_range_for_nid(node, &start_pfn, &end_pfn); @@ -400,7 +399,6 @@ static void __init node_mem_init(cnodeid_t node) __node_data[node] = __va(slot_freepfn << PAGE_SHIFT); memset(__node_data[node], 0, PAGE_SIZE); - NODE_DATA(node)->bdata = &bootmem_node_data[node]; NODE_DATA(node)->node_start_pfn = start_pfn; NODE_DATA(node)->node_spanned_pages = end_pfn - start_pfn; @@ -409,12 +407,11 @@ static void __init node_mem_init(cnodeid_t node) slot_freepfn += PFN_UP(sizeof(struct pglist_data) + sizeof(struct hub_data)); - bootmap_size = init_bootmem_node(NODE_DATA(node), slot_freepfn, - start_pfn, end_pfn); free_bootmem_with_active_regions(node, end_pfn); - reserve_bootmem_node(NODE_DATA(node), slot_firstpfn << PAGE_SHIFT, - ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT) + bootmap_size, - BOOTMEM_DEFAULT); + + memblock_reserve(slot_firstpfn << PAGE_SHIFT, + ((slot_freepfn - slot_firstpfn) << PAGE_SHIFT)); + sparse_memory_present_with_active_regions(node); } |
