Commit aed26eeb authored Sep 21, 2020 by Satheesh Rajendran Committed by Jonathan Corbet Sep 24, 2020

Doc: admin-guide: Add entry for kvm_cma_resv_ratio kernel param

Add document entry for kvm_cma_resv_ratio kernel param which
is used to alter the KVM contiguous memory allocation percentage
for hash pagetable allocation used by hash mode PowerPC KVM guests.

Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20200921090220.14981-1-sathnaga@linux.vnet.ibm.com

Signed-off-by: Jonathan Corbet <corbet@lwn.net>

parent 73589a78

Documentation/admin-guide/kernel-parameters.txt

+8 −0

Original line number	Diff line number	Diff line
		@@ -2261,6 +2261,14 @@
		[KVM,ARM] Allow use of GICv4 for direct injection of
		LPIs.

		kvm_cma_resv_ratio=n [PPC]
		Reserves given percentage from system memory area for
		contiguous memory allocation for KVM hash pagetable
		allocation.
		By default it reserves 5% of total system memory.
		Format: <integer>
		Default: 5

		kvm-intel.ept= [KVM,Intel] Disable extended page tables
		(virtualized MMU) support on capable Intel chips.
		Default is 1 (enabled)

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