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nvmf/tcp: Allocate pdu pool out of hugepages

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It is faster for the kernel to pin memory in hugepages, so allocate
the pdu pool from hugepages. This will help more
with upcoming changes to leverage MSG_ZEROCOPY.

Change-Id: I9ce581acca9c6edb71bd8119258966e3b405db77
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475801
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Or Gerlitz <gerlitz.or@gmail.com>
This commit is contained in:
Ben Walker 2019-11-22 10:50:37 -07:00 committed by Tomasz Zawadzki
parent 053fa66b10
commit d31eb732af
1 changed files with 3 additions and 2 deletions
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5
lib/nvmf/tcp.c
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@ -482,7 +482,7 @@ spdk_nvmf_tcp_qpair_destroy(struct spdk_nvmf_tcp_qpair *tqpair)
if (err > 0) {
nvmf_tcp_dump_qpair_req_contents(tqpair);
}
free(tqpair->pdu);
spdk_dma_free(tqpair->pdu);
free(tqpair->pdu_pool);
free(tqpair->req);
free(tqpair->reqs);
@ -903,7 +903,8 @@ spdk_nvmf_tcp_qpair_init_mem_resource(struct spdk_nvmf_tcp_qpair *tqpair, uint16
tcp_req->state = TCP_REQUEST_STATE_FREE;
TAILQ_INSERT_TAIL(&tqpair->state_queue[tcp_req->state], tcp_req, state_link);
tqpair->pdu = calloc(NVMF_TCP_QPAIR_MAX_C2H_PDU_NUM + 1, sizeof(*tqpair->pdu));
tqpair->pdu = spdk_dma_malloc((NVMF_TCP_QPAIR_MAX_C2H_PDU_NUM + 1) * sizeof(*tqpair->pdu), 0x1000,
NULL);
if (!tqpair->pdu) {
SPDK_ERRLOG("Unable to allocate pdu on tqpair=%p.\n", tqpair);
return -1;