arch/um/kernel/skas/mem.c

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/config.h"
   7 #include "linux/mm.h"
   8 #include "asm/pgtable.h"
   9 #include "mem_user.h"
  10 #include "skas.h"
  11
  12 unsigned long set_task_sizes_skas(int arg, unsigned long *host_size_out,
  13                                   unsigned long *task_size_out)
  14 {
  15         /* Round up to the nearest 4M */
  16         unsigned long top = ROUND_4M((unsigned long) &arg);
  17
  18 #ifdef CONFIG_HOST_TASK_SIZE
  19         *host_size_out = CONFIG_HOST_TASK_SIZE;
  20         *task_size_out = CONFIG_HOST_TASK_SIZE;
  21 #else
  22         *host_size_out = top;
  23         if (proc_mm && ptrace_faultinfo)
  24                 *task_size_out = top;
  25         else *task_size_out = CONFIG_STUB_START & PGDIR_MASK;
  26 #endif
  27         return(((unsigned long) set_task_sizes_skas) & ~0xffffff);
  28 }
  29
  30 /*
  31  * Overrides for Emacs so that we follow Linus's tabbing style.
  32  * Emacs will notice this stuff at the end of the file and automatically
  33  * adjust the settings for this buffer only.  This must remain at the end
  34  * of the file.
  35  * ---------------------------------------------------------------------------
  36  * Local variables:
  37  * c-file-style: "linux"
  38  * End:
  39  */