[PATCH] resource: Update struct rusage comments [BZ #23689]

[Florian Weimer]

2018-10-18  Florian Weimer  <fweimer@redhat.com>

	[BZ #23689]
	* resource/bits/types/struct_rusage.h (struct rusage): Update
	comment on struct.  Remove extraneous field comment.

diff --git a/resource/bits/types/struct_rusage.h b/resource/bits/types/struct_rusage.h
index 5dc0916aa7..5ff94296ad 100644
--- a/resource/bits/types/struct_rusage.h
+++ b/resource/bits/types/struct_rusage.h
@@ -22,7 +22,9 @@
 #include <bits/types.h>
 #include <bits/types/struct_timeval.h>
 
-/* Structure which says how much of each resource has been used.  */
+/* Structure which says how much of each resource has been used.  If
+   the system does not keep track of a particular value, the struct
+   field is always zero.  */
 
 /* The purpose of all the unions is to have the kernel-compatible layout
    while keeping the API type as 'long int', and among machines where
@@ -42,7 +44,6 @@ struct rusage
       };
     /* Amount of sharing of text segment memory
        with other processes (kilobyte-seconds).  */
-    /* Maximum resident set size (in kilobytes).  */
     __extension__ union
       {
 	long int ru_ixrss;
-- 
2.14.4