whiterose

linux unikernel
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commit adb6b2b2b59f7872322f255206583b4c3ce661a3
parent 9b5cf826ef8b607d452ba7bf683ae5510a745232
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 31 Oct 2018 15:39:25 -0700

Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming

Pull c6x update from Mark Salter.

* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
  c6x: switch to NO_BOOTMEM

Diffstat:
March/c6x/kernel/setup.c | 26+-------------------------
1 file changed, 1 insertion(+), 25 deletions(-)

diff --git a/arch/c6x/kernel/setup.c b/arch/c6x/kernel/setup.c @@ -290,7 +290,6 @@ 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"); @@ -347,16 +346,6 @@ 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(); @@ -391,22 +380,9 @@ 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 */