On 9/21/20 2:02 AM, sathnaga@xxxxxxxxxxxxxxxxxx wrote: > From: Satheesh Rajendran <sathnaga@xxxxxxxxxxxxxxxxxx> > > 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: linux-kernel@xxxxxxxxxxxxxxx > Cc: kvm-ppc@xxxxxxxxxxxxxxx > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx > Cc: Paul Mackerras <paulus@xxxxxxxxx> > Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > Cc: Jonathan Corbet <corbet@xxxxxxx> > Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Signed-off-by: Satheesh Rajendran <sathnaga@xxxxxxxxxxxxxxxxxx> Hi, > --- > > V2: > Addressed review comments from Randy. > > V1: https://lkml.org/lkml/2020/9/16/72 In reply to V1, I didn't add a Reviewed-by: tag, but I can now. Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > --- > Documentation/admin-guide/kernel-parameters.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index a1068742a6df..932ed45740c9 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -2258,6 +2258,14 @@ > [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) > thanks. -- ~Randy
