doc/memdisk.txt: Add mem= parameter

diff --git a/doc/memdisk.txt b/doc/memdisk.txt
index fecf2dc..0d6293d 100644 (file)
--- a/doc/memdisk.txt
+++ b/doc/memdisk.txt
@@ -141,6 +141,12 @@ h) Some systems without a floppy drive have been known to have
    nopass      Hide all real drives of the same type (floppy or hard disk)
    nopassany    Hide all real drives (floppy and hard disk)
 
+i) The following standard Linux option will mark memory as reserved.
+   Please note that the Syslinux core already loads MEMDISK and its
+   initrd below this point:
+
+   mem=size    Mark available memory above this point as Reserved.
+
 
 Some interesting things to note: