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Diffstat (limited to 'arch/sh/mm/numa.c')
-rw-r--r--arch/sh/mm/numa.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 9b784fdb947c..422e92721878 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -28,7 +28,7 @@ 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;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - base;
lmb_add(base, size);
@@ -38,6 +38,15 @@ void __init setup_memory(void)
(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
/*
+ * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
+ */
+ if (CONFIG_ZERO_PAGE_OFFSET != 0)
+ lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+
+ lmb_analyze();
+ lmb_dump_all();
+
+ /*
* Node 0 sets up its pgdat at the first available pfn,
* and bumps it up before setting up the bootmem allocator.
*/
@@ -60,7 +69,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
unsigned long bootmem_paddr;
/* Don't allow bogus node assignment */
- BUG_ON(nid > MAX_NUMNODES || nid == 0);
+ BUG_ON(nid > MAX_NUMNODES || nid <= 0);
start_pfn = start >> PAGE_SHIFT;
end_pfn = end >> PAGE_SHIFT;
@@ -71,7 +80,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
/* Node-local pgdat */
NODE_DATA(nid) = __va(lmb_alloc_base(sizeof(struct pglist_data),
- SMP_CACHE_BYTES, end_pfn));
+ SMP_CACHE_BYTES, end));
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
@@ -81,7 +90,7 @@ 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);
bootmem_paddr = lmb_alloc_base(bootmap_pages << PAGE_SHIFT,
- PAGE_SIZE, end_pfn);
+ PAGE_SIZE, end);
init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
start_pfn, end_pfn);