Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>

3 files changed, 4 insertions, 4 deletions

diff --git a/ipc/msg.c b/ipc/msg.c
index 0e732e92e22f..7385de25788a 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -704,7 +704,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
         msq->q_stime = get_seconds();
 
         if (!pipelined_send(msq, msg)) {
-                /* noone is waiting for this message, enqueue it */
+                /* no one is waiting for this message, enqueue it */
                 list_add_tail(&msg->m_list, &msq->q_messages);
                 msq->q_cbytes += msgsz;
                 msq->q_qnum++;
@@ -842,7 +842,7 @@ long do_msgrcv(int msqid, long *pmtype, void __user *mtext,
                  * Disable preemption.  We don't hold a reference to the queue
                  * and getting a reference would defeat the idea of a lockless
                  * operation, thus the code relies on rcu to guarantee the
-                 * existance of msq:
+                 * existence of msq:
                  * Prior to destruction, expunge_all(-EIRDM) changes r_msg.
                  * Thus if r_msg is -EAGAIN, then the queue not yet destroyed.
                  * rcu_read_lock() prevents preemption between reading r_msg
diff --git a/ipc/sem.c b/ipc/sem.c
index ae040a0727c2..34193ed69fbe 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1362,7 +1362,7 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
          * semid identifiers are not unique - find_alloc_undo may have
          * allocated an undo structure, it was invalidated by an RMID
          * and now a new array with received the same id. Check and fail.
-         * This case can be detected checking un->semid. The existance of
+         * This case can be detected checking un->semid. The existence of
          * "un" itself is guaranteed by rcu.
          */
         error = -EIDRM;
diff --git a/ipc/shm.c b/ipc/shm.c
index 8644452f5c4c..729acb7e3148 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1056,7 +1056,7 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
         /*
          * We need look no further than the maximum address a fragment
          * could possibly have landed at. Also cast things to loff_t to
-         * prevent overflows and make comparisions vs. equal-width types.
+         * prevent overflows and make comparisons vs. equal-width types.
          */
         size = PAGE_ALIGN(size);
         while (vma && (loff_t)(vma->vm_end - addr) <= size) {