Documentation/kernel-parameters.txt: update mem= option's spec according to its imple...
[~shefty/rdma-dev.git] / Documentation / kernel-parameters.txt
index ea8e5b48557674a3fc7725234237798aeef68a04..ddd84d627185f4b83fcd27fff46054ad6f94ff69 100644 (file)
@@ -1503,9 +1503,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        mem=nn[KMG]     [KNL,BOOT] Force usage of a specific amount of memory
                        Amount of memory to be used when the kernel is not able
                        to see the whole system memory or for test.
-                       [X86-32] Use together with memmap= to avoid physical
-                       address space collisions. Without memmap= PCI devices
-                       could be placed at addresses belonging to unused RAM.
+                       [X86] Work as limiting max address. Use together
+                       with memmap= to avoid physical address space collisions.
+                       Without memmap= PCI devices could be placed at addresses
+                       belonging to unused RAM.
 
        mem=nopentium   [BUGS=X86-32] Disable usage of 4MB pages for kernel
                        memory.