Author: mjg Date: Thu Nov 5 21:44:58 2020 New Revision: 367400 URL: https://svnweb.freebsd.org/changeset/base/367400
Log: nvme: change namei_request_zone into a malloc type Both the size (128 bytes) and ephemeral nature of allocations make it a great fit for malloc. A dedicated zone unnecessarily avoids sharing buckets with 128-byte objects. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D27103 Modified: head/sys/dev/nvme/nvme.c head/sys/dev/nvme/nvme_private.h Modified: head/sys/dev/nvme/nvme.c ============================================================================== --- head/sys/dev/nvme/nvme.c Thu Nov 5 21:37:24 2020 (r367399) +++ head/sys/dev/nvme/nvme.c Thu Nov 5 21:44:58 2020 (r367400) @@ -49,7 +49,6 @@ struct nvme_consumer { struct nvme_consumer nvme_consumer[NVME_MAX_CONSUMERS]; #define INVALID_CONSUMER_ID 0xFFFF -uma_zone_t nvme_request_zone; int32_t nvme_retry_count; MALLOC_DEFINE(M_NVME, "nvme", "nvme(4) memory allocations"); @@ -61,9 +60,6 @@ nvme_init(void) { uint32_t i; - nvme_request_zone = uma_zcreate("nvme_request", - sizeof(struct nvme_request), NULL, NULL, NULL, NULL, 0, 0); - for (i = 0; i < NVME_MAX_CONSUMERS; i++) nvme_consumer[i].id = INVALID_CONSUMER_ID; } @@ -73,7 +69,6 @@ SYSINIT(nvme_register, SI_SUB_DRIVERS, SI_ORDER_SECOND static void nvme_uninit(void) { - uma_zdestroy(nvme_request_zone); } SYSUNINIT(nvme_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, nvme_uninit, NULL); Modified: head/sys/dev/nvme/nvme_private.h ============================================================================== --- head/sys/dev/nvme/nvme_private.h Thu Nov 5 21:37:24 2020 (r367399) +++ head/sys/dev/nvme/nvme_private.h Thu Nov 5 21:44:58 2020 (r367400) @@ -113,7 +113,6 @@ MALLOC_DECLARE(M_NVME); #define CACHE_LINE_SIZE (64) #endif -extern uma_zone_t nvme_request_zone; extern int32_t nvme_retry_count; extern bool nvme_verbose_cmd_dump; @@ -489,7 +488,7 @@ _nvme_allocate_request(nvme_cb_fn_t cb_fn, void *cb_ar { struct nvme_request *req; - req = uma_zalloc(nvme_request_zone, M_NOWAIT | M_ZERO); + req = malloc(sizeof(*req), M_NVME, M_NOWAIT | M_ZERO); if (req != NULL) { req->cb_fn = cb_fn; req->cb_arg = cb_arg; @@ -551,7 +550,7 @@ nvme_allocate_request_ccb(union ccb *ccb, nvme_cb_fn_t return (req); } -#define nvme_free_request(req) uma_zfree(nvme_request_zone, req) +#define nvme_free_request(req) free(req, M_NVME) void nvme_notify_async_consumers(struct nvme_controller *ctrlr, const struct nvme_completion *async_cpl, _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
