root/include/linux/initrd.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 
   3 #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */
   4 
   5 /* 1 = load ramdisk, 0 = don't load */
   6 extern int rd_doload;
   7 
   8 /* 1 = prompt for ramdisk, 0 = don't prompt */
   9 extern int rd_prompt;
  10 
  11 /* starting block # of image */
  12 extern int rd_image_start;
  13 
  14 /* size of a single RAM disk */
  15 extern unsigned long rd_size;
  16 
  17 /* 1 if it is not an error if initrd_start < memory_start */
  18 extern int initrd_below_start_ok;
  19 
  20 /* free_initrd_mem always gets called with the next two as arguments.. */
  21 extern unsigned long initrd_start, initrd_end;
  22 extern void free_initrd_mem(unsigned long, unsigned long);
  23 
  24 extern phys_addr_t phys_initrd_start;
  25 extern unsigned long phys_initrd_size;
  26 
  27 extern unsigned int real_root_dev;
  28 
  29 extern char __initramfs_start[];
  30 extern unsigned long __initramfs_size;