mkswap: (adoc) suggest looking up page size portably

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>

diff --git a/disk-utils/mkswap.8.adoc b/disk-utils/mkswap.8.adoc
index fb56dfc52ebf3a545588877d74b37fd60e3caa19..45aa2975a4a9eacc443d04366c934469e10f4c7b 100644 (file)
--- a/disk-utils/mkswap.8.adoc
+++ b/disk-utils/mkswap.8.adoc
@@ -100,7 +100,7 @@ Presently, Linux allows 32 swap areas. The areas in use can be seen in the file
 
 *mkswap* refuses areas smaller than 10 pages.
 
-If you don't know the page size that your machine uses, you may be able to look it up with *cat /proc/cpuinfo* (or you may not - the contents of this file depend on architecture and kernel version).
+If you don't know the page size that your machine uses, you can look it up with *getconf PAGESIZE*.
 
 To set up a swap file, it is necessary to create that file before initializing it with *mkswap*, e.g. using a command like