include/linux/initrd.h

   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 unsigned int real_root_dev;