thp, mm: split_huge_page(): caller need to lock page

[cascardo/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 168fd79..5a6235e 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2993,6 +2993,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        may be specified.
                        Format: <port>,<port>....
 
+       ppc_strict_facility_enable
+                       [PPC] This option catches any kernel floating point,
+                       Altivec, VSX and SPE outside of regions specifically
+                       allowed (eg kernel_enable_fpu()/kernel_disable_fpu()).
+                       There is some performance impact when enabling this.
+
        print-fatal-signals=
                        [KNL] debug: print fatal signals