3491 * threshold.
3492 */
3493 policy = lgrp_mem_default_policy;
3494
3495 return (policy);
3496 }
3497
3498 /*
3499 * Get memory allocation policy for this segment
3500 */
3501 lgrp_mem_policy_info_t *
3502 lgrp_mem_policy_get(struct seg *seg, caddr_t vaddr)
3503 {
3504 lgrp_mem_policy_info_t *policy_info;
3505 extern struct seg_ops segspt_ops;
3506 extern struct seg_ops segspt_shmops;
3507
3508 /*
3509 * This is for binary compatibility to protect against third party
3510 * segment drivers which haven't recompiled to allow for
3511 * SEGOP_GETPOLICY()
3512 */
3513 if (seg->s_ops != &segvn_ops && seg->s_ops != &segspt_ops &&
3514 seg->s_ops != &segspt_shmops)
3515 return (NULL);
3516
3517 policy_info = NULL;
3518 if (seg->s_ops->getpolicy != NULL)
3519 policy_info = SEGOP_GETPOLICY(seg, vaddr);
3520
3521 return (policy_info);
3522 }
3523
3524 /*
3525 * Set policy for allocating private memory given desired policy, policy info,
3526 * size in bytes of memory that policy is being applied.
3527 * Return 0 if policy wasn't set already and 1 if policy was set already
3528 */
3529 int
3530 lgrp_privm_policy_set(lgrp_mem_policy_t policy,
3531 lgrp_mem_policy_info_t *policy_info, size_t size)
3532 {
3533
3534 ASSERT(policy_info != NULL);
3535
3536 if (policy == LGRP_MEM_POLICY_DEFAULT)
3537 policy = lgrp_mem_policy_default(size, MAP_PRIVATE);
3538
3539 /*
|
3491 * threshold.
3492 */
3493 policy = lgrp_mem_default_policy;
3494
3495 return (policy);
3496 }
3497
3498 /*
3499 * Get memory allocation policy for this segment
3500 */
3501 lgrp_mem_policy_info_t *
3502 lgrp_mem_policy_get(struct seg *seg, caddr_t vaddr)
3503 {
3504 lgrp_mem_policy_info_t *policy_info;
3505 extern struct seg_ops segspt_ops;
3506 extern struct seg_ops segspt_shmops;
3507
3508 /*
3509 * This is for binary compatibility to protect against third party
3510 * segment drivers which haven't recompiled to allow for
3511 * segop_getpolicy()
3512 */
3513 if (seg->s_ops != &segvn_ops && seg->s_ops != &segspt_ops &&
3514 seg->s_ops != &segspt_shmops)
3515 return (NULL);
3516
3517 policy_info = NULL;
3518 if (seg->s_ops->getpolicy != NULL)
3519 policy_info = segop_getpolicy(seg, vaddr);
3520
3521 return (policy_info);
3522 }
3523
3524 /*
3525 * Set policy for allocating private memory given desired policy, policy info,
3526 * size in bytes of memory that policy is being applied.
3527 * Return 0 if policy wasn't set already and 1 if policy was set already
3528 */
3529 int
3530 lgrp_privm_policy_set(lgrp_mem_policy_t policy,
3531 lgrp_mem_policy_info_t *policy_info, size_t size)
3532 {
3533
3534 ASSERT(policy_info != NULL);
3535
3536 if (policy == LGRP_MEM_POLICY_DEFAULT)
3537 policy = lgrp_mem_policy_default(size, MAP_PRIVATE);
3538
3539 /*
|