Current mem= implementation seems buggy because specification and implementation doesn't match. Current mem= has been working for many years and it's not buggy, it works as expected. So we should update the specification. Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx> Sort-of-tentatively-acked-by: Rob Landley <rob@xxxxxxxxxxx> --- Documentation/kernel-parameters.txt | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 9776f06..91863a5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1481,9 +1481,10 @@ 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. -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html