Merge tag 'docs-5.14' of git://git.lwn.net/linux

[linux-2.6-microblaze.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index cb89dbd..26453f2 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3244,7 +3244,7 @@
 
        noclflush       [BUGS=X86] Don't use the CLFLUSH instruction
 
-       nodelayacct     [KNL] Disable per-task delay accounting
+       delayacct       [KNL] Enable per-task delay accounting
 
        nodsp           [SH] Disable hardware DSP at boot time.
 
@@ -3513,6 +3513,9 @@
 
        nr_uarts=       [SERIAL] maximum number of UARTs to be registered.
 
+       numa=off        [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only
+                       set up a single NUMA node spanning all memory.
+
        numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic
                        NUMA balancing.
                        Allowed values are enable and disable
@@ -4775,11 +4778,6 @@
                        Reserves a hole at the top of the kernel virtual
                        address space.
 
-       reservelow=     [X86]
-                       Format: nn[K]
-                       Set the amount of memory to reserve for BIOS at
-                       the bottom of the address space.
-
        reset_devices   [KNL] Force drivers to reset the underlying device
                        during initialization.
 
@@ -5283,6 +5281,14 @@
                                  exception. Default behavior is by #AC if
                                  both features are enabled in hardware.
 
+                       ratelimit:N -
+                                 Set system wide rate limit to N bus locks
+                                 per second for bus lock detection.
+                                 0 < N <= 1000.
+
+                                 N/A for split lock detection.
+
+
                        If an #AC exception is hit in the kernel or in
                        firmware (i.e. not while executing in user mode)
                        the kernel will oops in either "warn" or "fatal"