Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

[~andy/linux] / Documentation / x86 / x86_64 / uefi.txt

diff --git a/Documentation/x86/x86_64/uefi.txt b/Documentation/x86/x86_64/uefi.txt
index 7d77120a51841aea77164a6aab2f682f10ca1a2d..a5e2b4fdb17049106f396a4bbc9f0bbff426cae3 100644 (file)
--- a/Documentation/x86/x86_64/uefi.txt
+++ b/Documentation/x86/x86_64/uefi.txt
@@ -36,3 +36,7 @@ Mechanics:
   services.
        noefi           turn off all EFI runtime services
        reboot_type=k   turn off EFI reboot runtime service
+- If the EFI memory map has additional entries not in the E820 map,
+  you can include those entries in the kernels memory map of available
+  physical RAM by using the following kernel command line parameter.
+       add_efi_memmap  include EFI memory map of available physical RAM