|
Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-140-generic/arch/frv/include/asm/ |
Upload File : |
/* virtconvert.h: virtual/physical/page address conversion * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _ASM_VIRTCONVERT_H #define _ASM_VIRTCONVERT_H /* * Macros used for converting between virtual and physical mappings. */ #ifdef __KERNEL__ #include <asm/setup.h> #ifdef CONFIG_MMU #define phys_to_virt(vaddr) ((void *) ((unsigned long)(vaddr) + PAGE_OFFSET)) #define virt_to_phys(vaddr) ((unsigned long) (vaddr) - PAGE_OFFSET) #else #define phys_to_virt(vaddr) ((void *) (vaddr)) #define virt_to_phys(vaddr) ((unsigned long) (vaddr)) #endif #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt #define __page_address(page) (PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT)) #define page_to_phys(page) virt_to_phys((void *)__page_address(page)) #endif #endif