/* * linux/arch/cris/mm/init.c * * Copyright (C) 1995 Linus Torvalds * Copyright (C) 2000,2001 Axis Communications AB * * Authors: Bjorn Wesen (bjornw@axis.com) * */ #include <linux/gfp.h> #include <linux/init.h> #include <linux/bootmem.h> #include <asm/tlb.h> #include <asm/sections.h> unsigned long empty_zero_page; void __init mem_init(void) { int codesize, reservedpages, datasize, initsize; unsigned long tmp; BUG_ON(!mem_map); /* max/min_low_pfn was set by setup.c * now we just copy it to some other necessary places... * * high_memory was also set in setup.c */ max_mapnr = num_physpages = max_low_pfn - min_low_pfn; /* this will put all memory onto the freelists */ totalram_pages = free_all_bootmem(); reservedpages = 0; for (tmp = 0; tmp < max_mapnr; tmp++) { /* * Only count reserved RAM pages */ if (PageReserved(mem_map + tmp)) reservedpages++; } codesize = (unsigned long) &_etext - (unsigned long) &_stext; datasize = (unsigned long) &_edata - (unsigned long) &_etext; initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, " "%dk init)\n" , nr_free_pages() << (PAGE_SHIFT-10), max_mapnr << (PAGE_SHIFT-10), codesize >> 10, reservedpages << (PAGE_SHIFT-10), datasize >> 10, initsize >> 10 ); } /* free the pages occupied by initialization code */ void free_initmem(void) { free_initmem_default(0); }