lib/librte_stack/rte_stack_std.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation
   3  */
   4
   5 #include "rte_stack.h"
   6
   7 void
   8 rte_stack_std_init(struct rte_stack *s)
   9 {
  10         rte_spinlock_init(&s->stack_std.lock);
  11 }
  12
  13 ssize_t
  14 rte_stack_std_get_memsize(unsigned int count)
  15 {
  16         ssize_t sz = sizeof(struct rte_stack);
  17
  18         sz += RTE_CACHE_LINE_ROUNDUP(count * sizeof(void *));
  19
  20         /* Add padding to avoid false sharing conflicts caused by
  21          * next-line hardware prefetchers.
  22          */
  23         sz += 2 * RTE_CACHE_LINE_SIZE;
  24
  25         return sz;
  26 }