diff options
| -rw-r--r-- | arch/x86/mm/init_64.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 0cca6266303..7dc4fbc2d6b 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -810,7 +810,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) void __init reserve_bootmem_generic(unsigned long phys, unsigned len) { #ifdef CONFIG_NUMA - int nid = phys_to_nid(phys); + int nid, next_nid; #endif unsigned long pfn = phys >> PAGE_SHIFT; @@ -829,10 +829,16 @@ void __init reserve_bootmem_generic(unsigned long phys, unsigned len) /* Should check here against the e820 map to avoid double free */ #ifdef CONFIG_NUMA - reserve_bootmem_node(NODE_DATA(nid), phys, len, BOOTMEM_DEFAULT); + nid = phys_to_nid(phys); + next_nid = phys_to_nid(phys + len - 1); + if (nid == next_nid) + reserve_bootmem_node(NODE_DATA(nid), phys, len, BOOTMEM_DEFAULT); + else + reserve_bootmem(phys, len, BOOTMEM_DEFAULT); #else reserve_bootmem(phys, len, BOOTMEM_DEFAULT); #endif + if (phys+len <= MAX_DMA_PFN*PAGE_SIZE) { dma_reserve += len / PAGE_SIZE; set_dma_reserve(dma_reserve); |