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authorPeter Zijlstra <peterz@infradead.org>2026-02-03 12:04:13 +0100
committerPeter Zijlstra <peterz@infradead.org>2026-02-03 12:04:13 +0100
commit3e4067169c573fba9dd8f77480f3a6e9c723b507 (patch)
treebb332f90943149696e655f6745c5e4c934b8a9fb /Documentation/admin-guide/kernel-parameters.txt
parent5c4378b7b0e1f45cf38e77db9305ee2c7bf88002 (diff)
parent18f7fcd5e69a04df57b563360b88be72471d6b62 (diff)
downloadlwn-3e4067169c573fba9dd8f77480f3a6e9c723b507.tar.gz
lwn-3e4067169c573fba9dd8f77480f3a6e9c723b507.zip
Merge branch 'v6.19-rc8'
Update to avoid conflicts with /urgent patches. Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
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diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f2348bca36a1..5d0b75a9539f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2917,6 +2917,41 @@ Kernel parameters
for Movable pages. "nn[KMGTPE]", "nn%", and "mirror"
are exclusive, so you cannot specify multiple forms.
+ kfence.burst= [MM,KFENCE] The number of additional successive
+ allocations to be attempted through KFENCE for each
+ sample interval.
+ Format: <unsigned integer>
+ Default: 0
+
+ kfence.check_on_panic=
+ [MM,KFENCE] Whether to check all KFENCE-managed objects'
+ canaries on panic.
+ Format: <bool>
+ Default: false
+
+ kfence.deferrable=
+ [MM,KFENCE] Whether to use a deferrable timer to trigger
+ allocations. This avoids forcing CPU wake-ups if the
+ system is idle, at the risk of a less predictable
+ sample interval.
+ Format: <bool>
+ Default: CONFIG_KFENCE_DEFERRABLE
+
+ kfence.sample_interval=
+ [MM,KFENCE] KFENCE's sample interval in milliseconds.
+ Format: <unsigned integer>
+ 0 - Disable KFENCE.
+ >0 - Enabled KFENCE with given sample interval.
+ Default: CONFIG_KFENCE_SAMPLE_INTERVAL
+
+ kfence.skip_covered_thresh=
+ [MM,KFENCE] If pool utilization reaches this threshold
+ (pool usage%), KFENCE limits currently covered
+ allocations of the same source from further filling
+ up the pool.
+ Format: <unsigned integer>
+ Default: 75
+
kgdbdbgp= [KGDB,HW,EARLY] kgdb over EHCI usb debug port.
Format: <Controller#>[,poll interval]
The controller # is the number of the ehci usb debug