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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt18
1 files changed, 12 insertions, 6 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index cb89dbdedc46..26453f250683 100644
--- 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"