getrlimit.2: Correct information about large limits on 32-bit architectures

[thirdparty/man-pages.git] / man5 / proc.5

diff --git a/man5/proc.5 b/man5/proc.5
index b24c6c8ef27a03d114909ce5222d338a2c55196d..7d22aa85fc7a2da110bd79133f86c5fb7d60ce33 100644 (file)
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -1324,14 +1324,17 @@ There are additional helpful pseudo-paths:
 .IR [stack]
 The initial process's (also known as the main thread's) stack.
 .TP
-.IR [stack:<tid>] " (since Linux 3.4)"
-.\" commit b76437579d1344b612cf1851ae610c636cec7db0
+.IR [stack:<tid>] " (from Linux 3.4 to 4.4)"
+.\" commit b76437579d1344b612cf1851ae610c636cec7db0 (added)
+.\" commit 65376df582174ffcec9e6471bf5b0dd79ba05e4a (removed)
 A thread's stack (where the
 .IR <tid>
 is a thread ID).
 It corresponds to the
 .IR /proc/[pid]/task/[tid]/
 path.
+This field was removed in Linux 4.5, since providing this information
+for a process with large numbers of threads is expensive.
 .TP
 .IR [vdso]
 The virtual dynamically linked shared object.
@@ -1456,7 +1459,8 @@ mount point: the pathname of the mount point relative
 to the process's root directory.
 .TP
 (6)
-mount options: per-mount options.
+mount options: per-mount options (see
+.BR mount (2)).
 .TP
 (7)
 optional fields: zero or more fields of the form "tag[:value]"; see below.
@@ -1471,7 +1475,8 @@ filesystem type: the filesystem type in the form "type[.subtype]".
 mount source: filesystem-specific information or "none".
 .TP
 (11)
-super options: per-superblock options.
+super options: per-superblock options (see
+.BR mount (2)).
 .RE
 .IP
 Currently, the possible optional fields are
@@ -3638,9 +3643,19 @@ Total size of vmalloc memory area.
 .TP
 .IR VmallocUsed " %lu"
 Amount of vmalloc area which is used.
+Since Linux 4.4,
+.\" commit a5ad88ce8c7fae7ddc72ee49a11a75aa837788e0
+this field is no longer calculated, and is hard coded as 0.
+See
+.IR /proc/vmallocinfo .
 .TP
 .IR VmallocChunk " %lu"
 Largest contiguous block of vmalloc area which is free.
+Since Linux 4.4,
+.\" commit a5ad88ce8c7fae7ddc72ee49a11a75aa837788e0
+this field is no longer calculated and is hard coded as 0.
+See
+.IR /proc/vmallocinfo .
 .TP
 .IR HardwareCorrupted " %lu (since Linux 2.6.32)"
 (\fBCONFIG_MEMORY_FAILURE\fP is required.)
@@ -5903,8 +5918,9 @@ Subdirectory containing the pseudo-files and subdirectories for
 tty drivers and line disciplines.
 .TP
 .I /proc/uptime
-This file contains two numbers: the uptime of the system (seconds),
-and the amount of time spent in idle process (seconds).
+This file contains two numbers (values in seconds): the uptime of the
+system (including time spent in suspend) and the amount of time spent
+in the idle process.
 .TP
 .I /proc/version
 This string identifies the kernel version that is currently running.
@@ -6643,8 +6659,10 @@ of thing that needs to be updated very often.
 .BR dmesg (1),
 .BR find (1),
 .BR free (1),
+.BR htop (1),
 .BR init (1),
 .BR ps (1),
+.BR pstree (1),
 .BR tr (1),
 .BR uptime (1),
 .BR chroot (2),