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-rw-r--r--tools/perf/Documentation/perf-kvm.txt4
-rw-r--r--tools/perf/Documentation/perf-record.txt4
-rw-r--r--tools/perf/Documentation/perf-top.txt4
-rw-r--r--tools/perf/Documentation/perf-trace.txt4
4 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index ac84db2d2334..6a06cefe9642 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -109,7 +109,9 @@ STAT LIVE OPTIONS
-m::
--mmap-pages=::
- Number of mmap data pages. Must be a power of two.
+ Number of mmap data pages (must be a power of two) or size
+ specification with appended unit character - B/K/M/G. The
+ size is rounded up to have nearest pages power of two value.
-a::
--all-cpus::
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index f732eaa6a500..f10ab63576d7 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -87,7 +87,9 @@ OPTIONS
-m::
--mmap-pages=::
- Number of mmap data pages. Must be a power of two.
+ Number of mmap data pages (must be a power of two) or size
+ specification with appended unit character - B/K/M/G. The
+ size is rounded up to have nearest pages power of two value.
-g::
--call-graph::
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 6d70fbfe28a2..f65777c1f723 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -68,7 +68,9 @@ Default is to monitor all CPUS.
-m <pages>::
--mmap-pages=<pages>::
- Number of mmapped data pages.
+ Number of mmap data pages (must be a power of two) or size
+ specification with appended unit character - B/K/M/G. The
+ size is rounded up to have nearest pages power of two value.
-p <pid>::
--pid=<pid>::
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index 37773854d5c4..7f70d3640edd 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -59,7 +59,9 @@ OPTIONS
-m::
--mmap-pages=::
- Number of mmap data pages. Must be a power of two.
+ Number of mmap data pages (must be a power of two) or size
+ specification with appended unit character - B/K/M/G. The
+ size is rounded up to have nearest pages power of two value.
-C::
--cpu::