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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-09-24 21:22:33 +0100 |
| commit | baea7b946f00a291b166ccae7fcfed6c01530cc6 (patch) | |
| tree | 4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /arch/sh/mm/numa.c | |
| parent | ae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff) | |
| parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff) | |
| download | blackbird-obmc-linux-baea7b946f00a291b166ccae7fcfed6c01530cc6.tar.gz blackbird-obmc-linux-baea7b946f00a291b166ccae7fcfed6c01530cc6.zip | |
Merge branch 'origin' into for-linus
Conflicts:
MAINTAINERS
Diffstat (limited to 'arch/sh/mm/numa.c')
| -rw-r--r-- | arch/sh/mm/numa.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index 095d93bec7cd..9b784fdb947c 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -9,6 +9,7 @@ */ #include <linux/module.h> #include <linux/bootmem.h> +#include <linux/lmb.h> #include <linux/mm.h> #include <linux/numa.h> #include <linux/pfn.h> @@ -26,6 +27,15 @@ EXPORT_SYMBOL_GPL(node_data); void __init setup_memory(void) { unsigned long free_pfn = PFN_UP(__pa(_end)); + u64 base = min_low_pfn << PAGE_SHIFT; + u64 size = (max_low_pfn << PAGE_SHIFT) - min_low_pfn; + + lmb_add(base, size); + + /* Reserve the LMB regions used by the kernel, initrd, etc.. */ + lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET, + (PFN_PHYS(free_pfn) + PAGE_SIZE - 1) - + (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET)); /* * Node 0 sets up its pgdat at the first available pfn, @@ -45,24 +55,23 @@ void __init setup_memory(void) void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) { - unsigned long bootmap_pages, bootmap_start, bootmap_size; - unsigned long start_pfn, free_pfn, end_pfn; + unsigned long bootmap_pages; + unsigned long start_pfn, end_pfn; + unsigned long bootmem_paddr; /* Don't allow bogus node assignment */ BUG_ON(nid > MAX_NUMNODES || nid == 0); - /* - * The free pfn starts at the beginning of the range, and is - * advanced as necessary for pgdat and node map allocations. - */ - free_pfn = start_pfn = start >> PAGE_SHIFT; + start_pfn = start >> PAGE_SHIFT; end_pfn = end >> PAGE_SHIFT; + lmb_add(start, end - start); + __add_active_range(nid, start_pfn, end_pfn); /* Node-local pgdat */ - NODE_DATA(nid) = pfn_to_kaddr(free_pfn); - free_pfn += PFN_UP(sizeof(struct pglist_data)); + NODE_DATA(nid) = __va(lmb_alloc_base(sizeof(struct pglist_data), + SMP_CACHE_BYTES, end_pfn)); memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); NODE_DATA(nid)->bdata = &bootmem_node_data[nid]; @@ -71,16 +80,17 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) /* Node-local bootmap */ bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn); - bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn, - end_pfn); + bootmem_paddr = lmb_alloc_base(bootmap_pages << PAGE_SHIFT, + PAGE_SIZE, end_pfn); + init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT, + start_pfn, end_pfn); free_bootmem_with_active_regions(nid, end_pfn); /* Reserve the pgdat and bootmap space with the bootmem allocator */ reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT, sizeof(struct pglist_data), BOOTMEM_DEFAULT); - reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT, + reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr, bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT); /* It's up */ |
