Date: Thu, 3 Jul 2014 04:26:53 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r268204 - head/sys/cam/ctl Message-ID: <201407030426.s634QrDI006215@svn.freebsd.org>
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Author: mav Date: Thu Jul 3 04:26:53 2014 New Revision: 268204 URL: http://svnweb.freebsd.org/changeset/base/268204 Log: Use separate memory type M_CTLIO for I/Os. CTL allocate large amount of RAM. This change give some more stats. MFC after: 2 weeks Modified: head/sys/cam/ctl/ctl.c Modified: head/sys/cam/ctl/ctl.c ============================================================================== --- head/sys/cam/ctl/ctl.c Thu Jul 3 00:31:13 2014 (r268203) +++ head/sys/cam/ctl/ctl.c Thu Jul 3 04:26:53 2014 (r268204) @@ -455,6 +455,7 @@ static struct cdevsw ctl_cdevsw = { MALLOC_DEFINE(M_CTL, "ctlmem", "Memory used for CTL"); +MALLOC_DEFINE(M_CTLIO, "ctlio", "Memory used for CTL requests"); static int ctl_module_event_handler(module_t, int /*modeventtype_t*/, void *); @@ -3358,7 +3359,7 @@ ctl_pool_create(struct ctl_softc *ctl_so * tracking. */ for (i = 0; i < total_ctl_io; i++) { - cur_io = (union ctl_io *)malloc(sizeof(*cur_io), M_CTL, + cur_io = (union ctl_io *)malloc(sizeof(*cur_io), M_CTLIO, M_NOWAIT); if (cur_io == NULL) { retval = ENOMEM; @@ -3377,7 +3378,7 @@ ctl_pool_create(struct ctl_softc *ctl_so links); STAILQ_REMOVE(&pool->free_queue, &cur_io->io_hdr, ctl_io_hdr, links); - free(cur_io, M_CTL); + free(cur_io, M_CTLIO); } free(pool, M_CTL); @@ -3439,7 +3440,7 @@ ctl_pool_release(struct ctl_io_pool *poo while ((io = (union ctl_io *)STAILQ_FIRST(&pool->free_queue)) != NULL) { STAILQ_REMOVE(&pool->free_queue, &io->io_hdr, ctl_io_hdr, links); - free(io, M_CTL); + free(io, M_CTLIO); } STAILQ_REMOVE(&ctl_softc->io_pools, pool, ctl_io_pool, links); @@ -3543,7 +3544,7 @@ ctl_alloc_io(void *pool_ref) * The emergency pool (if it exists) didn't have one, so try an * atomic (i.e. nonblocking) malloc and see if we get lucky. */ - io = (union ctl_io *)malloc(sizeof(*io), M_CTL, M_NOWAIT); + io = (union ctl_io *)malloc(sizeof(*io), M_CTLIO, M_NOWAIT); if (io != NULL) { /* * If the emergency pool exists but is empty, add this @@ -3595,7 +3596,7 @@ ctl_free_io(union ctl_io *io) * Otherwise, just free it. We probably malloced it and * the emergency pool wasn't available. */ - free(io, M_CTL); + free(io, M_CTLIO); } }
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