sram.c 907 B

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  1. /*
  2. * SRAM pool for tiny memories not otherwise managed.
  3. *
  4. * Copyright (C) 2010 Paul Mundt
  5. *
  6. * This file is subject to the terms and conditions of the GNU General Public
  7. * License. See the file "COPYING" in the main directory of this archive
  8. * for more details.
  9. */
  10. #include <linux/init.h>
  11. #include <linux/kernel.h>
  12. #include <asm/sram.h>
  13. /*
  14. * This provides a standard SRAM pool for tiny memories that can be
  15. * added either by the CPU or the platform code. Typical SRAM sizes
  16. * to be inserted in to the pool will generally be less than the page
  17. * size, with anything more reasonably sized handled as a NUMA memory
  18. * node.
  19. */
  20. struct gen_pool *sram_pool;
  21. static int __init sram_pool_init(void)
  22. {
  23. /*
  24. * This is a global pool, we don't care about node locality.
  25. */
  26. sram_pool = gen_pool_create(1, -1);
  27. if (unlikely(!sram_pool))
  28. return -ENOMEM;
  29. return 0;
  30. }
  31. core_initcall(sram_pool_init);