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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [mmnommu/] [memory.c] - Rev 199
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/* * linux/mm/memory.c * * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds */ /* * uClinux revisions for NO_MM * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com>, * The Silver Hammer Group, Ltd. */ #include <linux/config.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/head.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/types.h> #include <linux/ptrace.h> #include <linux/mman.h> #include <linux/mm.h> #include <linux/malloc.h> #include <linux/swap.h> #include <asm/system.h> #include <asm/segment.h> #include <asm/pgtable.h> #include <asm/string.h> unsigned long high_memory = 0; mem_map_t * mem_map = NULL; /* * oom() prints a message (so that the user knows why the process died), * and gives the process an untrappable SIGKILL. */ void oom(struct task_struct * task) { printk("\nOut of memory for %s.\n", task->comm); task->sig->action[SIGKILL-1].sa_handler = NULL; task->blocked &= ~(1<<(SIGKILL-1)); send_sig(SIGKILL,task,1); } #ifdef DEBUG_VERIFY_AREA #undef verify_area int verify_area_flf(int type, const void * addr, unsigned long size, char *file, int line, char * function) { int result; result = verify_area(type, addr, size); if (result) printk("%s:%d %s> verify_area(%d,%p,%ld) = %d\n",file,line, function, type, addr, size, result); return result; } #endif /* DEBUG_VERIFY_AREA */ /* FIXME: Need to check the architecture memory map * DJD. */ int verify_area(int type, const void * addr, unsigned long size) { #ifdef CONFIG_COLDFIRE extern unsigned long _ramend; if ((unsigned long)addr > _ramend) { #else if ((unsigned long)addr > 0x10f00000) { #endif printk("Bad verify_area in process %d: %lx\n", current->pid, (unsigned long)addr); return -EFAULT; } return 0; }
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