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c6x changes for 4.20

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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
This commit is contained in:
Linus Torvalds 2018-10-31 15:39:25 -07:00
commit adb6b2b2b5
1 changed files with 1 additions and 25 deletions
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26
arch/c6x/kernel/setup.c
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@ -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 */