docs: vmstat.8 - swap is not virtual memory

Chanson Shen rightly pointed out that vmstat swpd stat is
swap memory used not virtual memory used.

Signed-off-by: Craig Small <csmall@dropbear.xyz>

diff --git a/vmstat.8 b/vmstat.8
index dcc1b1e92c046630e90ace55d7862321cf2ed2e2..03757e05f027ba42fbd5d46e4a8e1a180e955e11 100644 (file)
--- a/vmstat.8
+++ b/vmstat.8
@@ -100,7 +100,7 @@ b: The number of processes blocked waiting for I/O to complete.
 .B "Memory"
 These are affected by the \fB\-\-unit\fR option.
 .nf
-swpd: the amount of virtual memory used.
+swpd: the amount of swap memory used.
 free: the amount of idle memory.
 buff: the amount of memory used as buffers.
 cache: the amount of memory used as cache.