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-rw-r--r--src/backend/storage/ipc/dsm_impl.c2
-rw-r--r--src/backend/storage/ipc/procarray.c2
-rw-r--r--src/backend/storage/ipc/shm_mq.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/storage/ipc/dsm_impl.c b/src/backend/storage/ipc/dsm_impl.c
index 5d7b46f9e70..173b9822191 100644
--- a/src/backend/storage/ipc/dsm_impl.c
+++ b/src/backend/storage/ipc/dsm_impl.c
@@ -34,7 +34,7 @@
* substantially, but there should be few systems where we must make do
* with such poor tools.
*
- * As ever, Windows requires its own implemetation.
+ * As ever, Windows requires its own implementation.
*
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index 97e8962ae81..740beb691ce 100644
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -71,7 +71,7 @@ typedef struct ProcArrayStruct
* Known assigned XIDs handling
*/
int maxKnownAssignedXids; /* allocated size of array */
- int numKnownAssignedXids; /* currrent # of valid entries */
+ int numKnownAssignedXids; /* current # of valid entries */
int tailKnownAssignedXids; /* index of oldest valid element */
int headKnownAssignedXids; /* index of newest element, + 1 */
slock_t known_assigned_xids_lck; /* protects head/tail pointers */
diff --git a/src/backend/storage/ipc/shm_mq.c b/src/backend/storage/ipc/shm_mq.c
index 094e9fd7d1a..7d1c9cdbd5a 100644
--- a/src/backend/storage/ipc/shm_mq.c
+++ b/src/backend/storage/ipc/shm_mq.c
@@ -1104,7 +1104,7 @@ shm_mq_inc_bytes_read(volatile shm_mq *mq, Size n)
sender = mq->mq_sender;
SpinLockRelease(&mq->mq_mutex);
- /* We shoudn't have any bytes to read without a sender. */
+ /* We shouldn't have any bytes to read without a sender. */
Assert(sender != NULL);
SetLatch(&sender->procLatch);
}