initrd.h (1008B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2 3#ifndef __LINUX_INITRD_H 4#define __LINUX_INITRD_H 5 6#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */ 7 8/* starting block # of image */ 9extern int rd_image_start; 10 11/* size of a single RAM disk */ 12extern unsigned long rd_size; 13 14/* 1 if it is not an error if initrd_start < memory_start */ 15extern int initrd_below_start_ok; 16 17/* free_initrd_mem always gets called with the next two as arguments.. */ 18extern unsigned long initrd_start, initrd_end; 19extern void free_initrd_mem(unsigned long, unsigned long); 20 21#ifdef CONFIG_BLK_DEV_INITRD 22extern void __init reserve_initrd_mem(void); 23extern void wait_for_initramfs(void); 24#else 25static inline void __init reserve_initrd_mem(void) {} 26static inline void wait_for_initramfs(void) {} 27#endif 28 29extern phys_addr_t phys_initrd_start; 30extern unsigned long phys_initrd_size; 31 32extern char __initramfs_start[]; 33extern unsigned long __initramfs_size; 34 35void console_on_rootfs(void); 36 37#endif /* __LINUX_INITRD_H */