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| author | Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> | 2020-09-21 12:02:20 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2020-09-24 19:36:49 +0300 |
| commit | aed26eebf5808168bf6e78231db51df86d94461f (patch) | |
| tree | 701f3620f2f6a4fa63105b884f55082fe3cf6f0c /Documentation | |
| parent | 73589a78b86db76002b0d9bc78e3f27e9ce4e593 (diff) | |
| download | linux-aed26eebf5808168bf6e78231db51df86d94461f.tar.xz | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index d81d1d8414fb..b1e3d63cdc15 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -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) |