Fix a common typo in source code comments

- s/aligment/alignment/

MFC after:	5 days

lib/libc/gen/tls.c

@@ -249,9 +249,9 @@ __libc_free_tls(void *tcb, size_t tcbsize, size_t tcbalign __unused)
  *
  * where:
  *  extra_size is tcbsize - TLS_TCB_SIZE
- *  post_size is used to adjust TCB to TLS aligment for first version of TLS
+ *  post_size is used to adjust TCB to TLS alignment for first version of TLS
  *            layout and is always 0 for second version.
- *  pre_size  is used to adjust TCB aligment for first version and to adjust
+ *  pre_size  is used to adjust TCB alignment for first version and to adjust
  *            TLS alignment for second version.
  *
  */

share/man/man9/rman.9

@@ -275,7 +275,7 @@ The caller can specify the
 and
 .Fa end
 of an acceptable range,
-as well as a boundary restriction and required aligment,
+as well as a boundary restriction and required alignment,
 and the code will attempt to find a free segment which fits.
 The
 .Fa start
@@ -288,7 +288,7 @@ Therefore,
 must be \[<=]
 .Fa end
 for any allocation to happen.
-The aligment requirement
+The alignment requirement
 .Pq if any
 is specified in
 .Fa flags .

sys/arm/allwinner/if_emac.c

@@ -409,7 +409,7 @@ emac_rxeof(struct emac_softc *sc, int count)
 		m->m_len = m->m_pkthdr.len = len - ETHER_CRC_LEN;
 
 		/*
-		 * Emac controller needs strict aligment, so to avoid
+		 * Emac controller needs strict alignment, so to avoid
 		 * copying over an entire frame to align, we allocate
 		 * a new mbuf and copy ethernet header + IP header to
 		 * the new mbuf. The new mbuf is prepended into the

sys/dev/sound/pci/hda/hdaa.c

@@ -2191,7 +2191,7 @@ hdaa_channel_getptr(kobj_t obj, void *data)
 	hdaa_unlock(devinfo);
 
 	/*
-	 * Round to available space and force 128 bytes aligment.
+	 * Round to available space and force 128 bytes alignment.
 	 */
 	ptr %= ch->blksz * ch->blkcnt;
 	ptr &= HDA_BLK_ALIGN;

sys/dev/usb/controller/uhci.c

@@ -2869,7 +2869,7 @@ uhci_xfer_setup(struct usb_setup_params *parm)
 	 * We don't allow alignments of
 	 * less than 8 bytes:
 	 *
-	 * NOTE: Allocating using an aligment
+	 * NOTE: Allocating using an alignment 
 	 * of 1 byte has special meaning!
 	 */
 	if (n < 3) {

sys/dev/usb/usb_busdma.c

@@ -546,7 +546,7 @@ usb_pc_alloc_mem(struct usb_page_cache *pc, struct usb_page *pg,
 		/*
 		 * XXX BUS-DMA workaround - FIXME later:
 		 *
-		 * We assume that that the aligment at this point of
+		 * We assume that that the alignment at this point of
 		 * the code is greater than or equal to the size and
 		 * less than two times the size, so that if we double
 		 * the size, the size will be greater than the

sys/i386/i386/locore.s

@@ -340,7 +340,7 @@ ENTRY(identify_cpu)
 	testl	%eax,%eax
 	jnz	try486
 
-	/* NexGen CPU does not have aligment check flag. */
+	/* NexGen CPU does not have alignment check flag. */
 	pushfl
 	movl	$0x5555, %eax
 	xorl	%edx, %edx