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| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2018-06-25 12:02:34 +0300 |
|---|---|---|
| committer | Mark Salter <msalter@redhat.com> | 2018-10-28 19:25:11 +0300 |
| commit | 4d8106f0299c7942c5f13a22da6d553d28127ef5 (patch) | |
| tree | 87fb0bcfad3bde8d9533eafbf36208aea4c0f908 /arch/c6x | |
| parent | b59dfdaef173677b0b7e10f375226c0a1114fd20 (diff) | |
| download | linux-4d8106f0299c7942c5f13a22da6d553d28127ef5.tar.xz | |
c6x: switch to NO_BOOTMEM
The c6x is already using memblock and does most of early memory
reservations with it, so it was only a matter of removing the bootmem
initialization and handover of the memory from memblock to bootmem.
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Diffstat (limited to 'arch/c6x')
| -rw-r--r-- | arch/c6x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/c6x/kernel/setup.c | 26 |
2 files changed, 2 insertions, 25 deletions
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig index f65a084607fd..ab348c64d3bc 100644 --- a/arch/c6x/Kconfig +++ b/arch/c6x/Kconfig @@ -14,6 +14,7 @@ config C6X select GENERIC_IRQ_SHOW select HAVE_ARCH_TRACEHOOK select HAVE_MEMBLOCK + select NO_BOOTMEM select SPARSE_IRQ select IRQ_DOMAIN select OF diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c index 05d96a9541b5..2cfca640acfe 100644 --- a/arch/c6x/kernel/setup.c +++ b/arch/c6x/kernel/setup.c @@ -291,7 +291,6 @@ notrace void __init machine_init(unsigned long dt_ptr) void __init setup_arch(char **cmdline_p) { - int bootmap_size; struct memblock_region *reg; printk(KERN_INFO "Initializing kernel\n"); @@ -348,16 +347,6 @@ void __init setup_arch(char **cmdline_p) init_mm.end_data = memory_start; init_mm.brk = memory_start; - /* - * Give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory - */ - bootmap_size = init_bootmem_node(NODE_DATA(0), - memory_start >> PAGE_SHIFT, - PAGE_OFFSET >> PAGE_SHIFT, - memory_end >> PAGE_SHIFT); - memblock_reserve(memory_start, bootmap_size); - unflatten_and_copy_device_tree(); c6x_cache_init(); @@ -392,22 +381,9 @@ void __init setup_arch(char **cmdline_p) /* Initialize the coherent memory allocator */ coherent_mem_init(dma_start, dma_size); - /* - * Free all memory as a starting point. - */ - free_bootmem(PAGE_OFFSET, memory_end - PAGE_OFFSET); - - /* - * Then reserve memory which is already being used. - */ - for_each_memblock(reserved, reg) { - pr_debug("reserved - 0x%08x-0x%08x\n", - (u32) reg->base, (u32) reg->size); - reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT); - } - max_low_pfn = PFN_DOWN(memory_end); min_low_pfn = PFN_UP(memory_start); + max_pfn = max_low_pfn; max_mapnr = max_low_pfn - min_low_pfn; /* Get kmalloc into gear */ |