Date: Fri, 3 Mar 2017 21:03:28 +0000 (UTC) From: Eric van Gyzen <vangyzen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r314626 - head/sys/kern Message-ID: <201703032103.v23L3SMW080026@repo.freebsd.org>
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Author: vangyzen Date: Fri Mar 3 21:03:28 2017 New Revision: 314626 URL: https://svnweb.freebsd.org/changeset/base/314626 Log: Fix grammar in some comments in subr_sleepqueue.c While I'm here, remove trailing whitespace. Reviewed by: kib, mostly, as part of a larger review MFC after: 3 days Modified: head/sys/kern/subr_sleepqueue.c Modified: head/sys/kern/subr_sleepqueue.c ============================================================================== --- head/sys/kern/subr_sleepqueue.c Fri Mar 3 20:57:40 2017 (r314625) +++ head/sys/kern/subr_sleepqueue.c Fri Mar 3 21:03:28 2017 (r314626) @@ -26,7 +26,7 @@ /* * Implementation of sleep queues used to hold queue of threads blocked on - * a wait channel. Sleep queues different from turnstiles in that wait + * a wait channel. Sleep queues are different from turnstiles in that wait * channels are not owned by anyone, so there is no priority propagation. * Sleep queues can also provide a timeout and can also be interrupted by * signals. That said, there are several similarities between the turnstile @@ -36,7 +36,7 @@ * a linked list of queues. An individual queue is located by using a hash * to pick a chain, locking the chain, and then walking the chain searching * for the queue. This means that a wait channel object does not need to - * embed it's queue head just as locks do not embed their turnstile queue + * embed its queue head just as locks do not embed their turnstile queue * head. Threads also carry around a sleep queue that they lend to the * wait channel when blocking. Just as in turnstiles, the queue includes * a free list of the sleep queues of other threads blocked on the same @@ -98,7 +98,7 @@ __FBSDID("$FreeBSD$"); #define SC_LOOKUP(wc) &sleepq_chains[SC_HASH(wc)] #define NR_SLEEPQS 2 /* - * There two different lists of sleep queues. Both lists are connected + * There are two different lists of sleep queues. Both lists are connected * via the sq_hash entries. The first list is the sleep queue chain list * that a sleep queue is on when it is attached to a wait channel. The * second list is the free list hung off of a sleep queue that is attached @@ -183,7 +183,7 @@ init_sleepqueue_profiling(void) for (i = 0; i < SC_TABLESIZE; i++) { snprintf(chain_name, sizeof(chain_name), "%u", i); - chain_oid = SYSCTL_ADD_NODE(NULL, + chain_oid = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_debug_sleepq_chains), OID_AUTO, chain_name, CTLFLAG_RD, NULL, "sleepq chain stats"); SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(chain_oid), OID_AUTO, @@ -218,7 +218,7 @@ init_sleepqueues(void) #else NULL, NULL, sleepq_init, NULL, UMA_ALIGN_CACHE, 0); #endif - + thread0.td_sleepqueue = sleepq_alloc(); } @@ -545,7 +545,7 @@ sleepq_switch(void *wchan, int pri) mtx_assert(&sc->sc_lock, MA_OWNED); THREAD_LOCK_ASSERT(td, MA_OWNED); - /* + /* * If we have a sleep queue, then we've already been woken up, so * just return. */ @@ -572,7 +572,7 @@ sleepq_switch(void *wchan, int pri) #endif } mtx_unlock_spin(&sc->sc_lock); - return; + return; } #ifdef SLEEPQUEUE_PROFILING if (prof_enabled)
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