Add NUMA node id variable in struct kvm_mmu_memory_cache{}. This
variable denotes preferable NUMA node from which memory will be
allocated under this memory cache.
Set this variable to NUMA_NO_NODE if there is no preferred node.
MIPS doesn't do any sort of initializatino of struct
kvm_mmu_memory_cache{}. Keep things similar in MIPS by setting gfp_zero
to 0 as INIT_KVM_MMU_MEMORY_CACHE() will initialize it to __GFP_ZERO.
"node" cannot be left as 0, as 0 is a valid NUMA node value.
Signed-off-by: Vipin Sharma <vipinsh@xxxxxxxxxx>
---
arch/mips/kvm/mips.c | 3 +++
include/linux/kvm_types.h | 3 +++
2 files changed, 6 insertions(+)
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 36c8991b5d39..5ec5ce919918 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -294,6 +294,9 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
HRTIMER_MODE_REL);
vcpu->arch.comparecount_timer.function = kvm_mips_comparecount_wakeup;
+ INIT_KVM_MMU_MEMORY_CACHE(&vcpu->arch.mmu_page_cache);
+ vcpu->arch.mmu_page_cache.gfp_zero = 0;
+
/*
* Allocate space for host mode exception handlers that handle
* guest mode exits
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index 5da7953532ce..b2a405c8e629 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -97,10 +97,13 @@ struct kvm_mmu_memory_cache {
struct kmem_cache *kmem_cache;
int capacity;
void **objects;
+ /* Preferred NUMA node of memory allocation. */
+ int node;
};
#define KVM_MMU_MEMORY_CACHE_INIT() { \
.gfp_zero = __GFP_ZERO, \
+ .node = NUMA_NO_NODE, \
}
#define KVM_MMU_MEMORY_CACHE(_name) \
--
2.40.0.rc0.216.gc4246ad0f0-goog
