diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index aea239680..8d61cf35a 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -789,9 +789,9 @@ disrupt other hardware counters.
 
 Note that many unexpected situations may prevent events with the
 .I exclusive
-bit set from ever running.  
+bit set from ever running.
 This includes any users running a system-wide
-measurement as well as any kernel use of the performance counters 
+measurement as well as any kernel use of the performance counters
 (including the commonly enabled NMI Watchdog Timer interface).
 .TP
 .IR "exclude_user"
diff --git a/man2/reboot.2 b/man2/reboot.2
index 152f3469e..86b2b6d07 100644
--- a/man2/reboot.2
+++ b/man2/reboot.2
@@ -147,7 +147,7 @@ If not preceded by a
 .BR sync (2),
 data will be lost.
 .TP
-.BR LINUX_REBOOT_CMD_SW_SUSPEND 
+.BR LINUX_REBOOT_CMD_SW_SUSPEND
 .RB ( RB_SW_SUSPEND ,
 0xd000fce1; since Linux 2.5.18).
 The system is suspended (hibernated) to disk.
diff --git a/man3/string.3 b/man3/string.3
index 0dee9e024..4f7640564 100644
--- a/man3/string.3
+++ b/man3/string.3
@@ -48,13 +48,13 @@ Compare the first
 .I n
 characters of the strings
 .I s1
-and 
-.I s2 
+and
+.I s2
 ignoring case.
 .TP
 .BI "char *index(const char *" s ", int " c );
 Return a pointer to the first occurrence of the character
-.I c 
+.I c
 in the string
 .IR s .
 .TP
@@ -200,7 +200,7 @@ Transforms
 .I src
 to the current locale and copies the first
 .I n
-characters to 
+characters to
 .IR dest .
 .fi
 .SH DESCRIPTION
diff --git a/man5/proc.5 b/man5/proc.5
index e808add5a..2024c7500 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1876,7 +1876,7 @@ The
 is calculated using the following formula:
 
     CommitLimit =
-        ([total RAM pages] - [total huge TLB pages]) * 
+        ([total RAM pages] - [total huge TLB pages]) *
         overcommit_ratio / 100 + [total swap pages]
 
 For example, on a system with 1GB of physical RAM and 7GB
diff --git a/man7/credentials.7 b/man7/credentials.7
index 19c405bab..1390c11b7 100644
--- a/man7/credentials.7
+++ b/man7/credentials.7
@@ -144,7 +144,7 @@ When terminal keys that generate a signal (such as the
 key, normally control-C)
 are pressed, the signal is sent to the processes in the foreground job.
 
-Various system calls and library functions 
+Various system calls and library functions
 may operate on all members of a process group,
 including
 .BR kill (2),
diff --git a/man7/feature_test_macros.7 b/man7/feature_test_macros.7
index bfdc3d37a..468d8bed5 100644
--- a/man7/feature_test_macros.7
+++ b/man7/feature_test_macros.7
@@ -283,7 +283,7 @@ System V-derived definitions.
 .TP
 .BR _DEFAULT_SOURCE " (since glibc 2.19)"
 Defining this macro provides an effect similar to
-the feature test macros that are defined by default; that is: 
+the feature test macros that are defined by default; that is:
 
     cc \-D_BSD_SOURCE \-D_SVID_SOURCE \-D_POSIX_C_SOURCE=200809
 
diff --git a/man7/vdso.7 b/man7/vdso.7
index 180361829..725156187 100644
--- a/man7/vdso.7
+++ b/man7/vdso.7
@@ -32,7 +32,7 @@ There are some system calls the kernel provides that
 user-space code ends up using frequently,
 to the point that such calls can dominate overall performance.
 This is due both to the frequency of the call as well as the
-context-switch overhead that results from 
+context-switch overhead that results from
 from exiting user space and entering the kernel.
 
 The rest of this documentation is geared toward the curious and/or
@@ -79,7 +79,7 @@ call and a few memory accesses.
 .SS Finding the vDSO
 The base address of the vDSO (if one exists) is passed by the kernel to
 each program in the initial auxiliary vector (see
-.BR getauxval (3)), 
+.BR getauxval (3)),
 via the
 .B AT_SYSINFO_EHDR
 tag.
@@ -136,7 +136,7 @@ You will frequently find it under the architecture-specific directory:
 
 .SS vDSO names
 The name of vDSO shared object varies across architectures.
-It will often show up in things like glibc's 
+It will often show up in things like glibc's
 .BR ldd (1)
 output.
 The exact name should not matter to any code, so do not hardcode it.
@@ -488,7 +488,7 @@ __vdso_time	LINUX_2.6
 The vDSO was originally just a single function\(emthe vsyscall.
 In older kernels, you might see that name
 in a process's memory map rather than "vdso".
-Over time, people realized that this mechanism 
+Over time, people realized that this mechanism
 was a great way to pass more functionality
 to user space, so it was reconceived as a vDSO in the current format.
 .SH SEE ALSO