summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/mmu.c
diff options
context:
space:
mode:
authorDave Hansen <dave@linux.vnet.ibm.com>2010-08-19 18:11:14 -0700
committerAvi Kivity <avi@redhat.com>2010-10-24 10:51:18 +0200
commit39de71ec5397f374aed95e99509372d605e1407c (patch)
treea2da0845195322d50eb1d5c5bff067dd8f952fef /arch/x86/kvm/mmu.c
parente0df7b9f6cee43c01d6f4a8491bccfd410cb86e1 (diff)
downloadop-kernel-dev-39de71ec5397f374aed95e99509372d605e1407c.zip
op-kernel-dev-39de71ec5397f374aed95e99509372d605e1407c.tar.gz
KVM: rename x86 kvm->arch.n_alloc_mmu_pages
arch.n_alloc_mmu_pages is a poor choice of name. This value truly means, "the number of pages which _may_ be allocated". But, reading the name, "n_alloc_mmu_pages" implies "the number of allocated mmu pages", which is dead wrong. It's really the high watermark, so let's give it a name to match: nr_max_mmu_pages. This change will make the next few patches much more obvious and easy to read. Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Tim Pepper <lnxninja@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 625b178..6979e7d 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1696,7 +1696,7 @@ void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages)
int used_pages;
LIST_HEAD(invalid_list);
- used_pages = kvm->arch.n_alloc_mmu_pages - kvm_mmu_available_pages(kvm);
+ used_pages = kvm->arch.n_max_mmu_pages - kvm_mmu_available_pages(kvm);
used_pages = max(0, used_pages);
/*
@@ -1721,9 +1721,9 @@ void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages)
}
else
kvm->arch.n_free_mmu_pages += kvm_nr_mmu_pages
- - kvm->arch.n_alloc_mmu_pages;
+ - kvm->arch.n_max_mmu_pages;
- kvm->arch.n_alloc_mmu_pages = kvm_nr_mmu_pages;
+ kvm->arch.n_max_mmu_pages = kvm_nr_mmu_pages;
}
static int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
@@ -3141,7 +3141,7 @@ static int mmu_shrink(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
- npages = kvm->arch.n_alloc_mmu_pages -
+ npages = kvm->arch.n_max_mmu_pages -
kvm_mmu_available_pages(kvm);
cache_count += npages;
if (!kvm_freed && nr_to_scan > 0 && npages > 0) {
OpenPOWER on IntegriCloud