e820_bootmem_free(&contig_page_data, 0, end_pfn << PAGE_SHIFT); 
e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT); 
static void __init contig_initmem_init(void){        unsigned long bootmap_size, bootmap;         bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;        bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, bootmap_size);        if (bootmap == -1L)                 panic("Cannot find bootmem map of size %ld\n",bootmap_size);        bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);        e820_bootmem_free(&contig_page_data, 0, end_pfn << PAGE_SHIFT);         reserve_bootmem(bootmap, bootmap_size);} 
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/073326634bec2f36e165583d21fb0a9fad47ac0a/setup.c/clean/arch/x86_64/kernel/setup.c