diff mbox series

[20/21] KVM: MIPS: Account pages used for GPA page tables

Message ID 20200605213853.14959-21-sean.j.christopherson@intel.com
State Not Applicable
Headers show
Series KVM: Cleanup and unify kvm_mmu_memory_cache usage | expand

Commit Message

Sean Christopherson June 5, 2020, 9:38 p.m. UTC
Use GFP_KERNEL_ACCOUNT instead of GFP_KERNEL when allocating pages for
the the GPA page tables.  The primary motivation for accounting the
allocations is to align with the common KVM memory cache helpers in
preparation for moving to the common implementation in a future patch.
The actual accounting is a bonus side effect.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/mips/kvm/mmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Huacai Chen June 8, 2020, 8:56 a.m. UTC | #1
Reviewed-by: Huacai Chen <chenhc@lemote.com>

On Sat, Jun 6, 2020 at 5:40 AM Sean Christopherson
<sean.j.christopherson@intel.com> wrote:
>
> Use GFP_KERNEL_ACCOUNT instead of GFP_KERNEL when allocating pages for
> the the GPA page tables.  The primary motivation for accounting the
> allocations is to align with the common KVM memory cache helpers in
> preparation for moving to the common implementation in a future patch.
> The actual accounting is a bonus side effect.
>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
> ---
>  arch/mips/kvm/mmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
> index 94562c54b930..41a4a063a730 100644
> --- a/arch/mips/kvm/mmu.c
> +++ b/arch/mips/kvm/mmu.c
> @@ -32,7 +32,7 @@ static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache, int min)
>         if (cache->nobjs >= min)
>                 return 0;
>         while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
> -               page = (void *)__get_free_page(GFP_KERNEL);
> +               page = (void *)__get_free_page(GFP_KERNEL_ACCOUNT);
>                 if (!page)
>                         return -ENOMEM;
>                 cache->objects[cache->nobjs++] = page;
> --
> 2.26.0
>
diff mbox series

Patch

diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c
index 94562c54b930..41a4a063a730 100644
--- a/arch/mips/kvm/mmu.c
+++ b/arch/mips/kvm/mmu.c
@@ -32,7 +32,7 @@  static int mmu_topup_memory_cache(struct kvm_mmu_memory_cache *cache, int min)
 	if (cache->nobjs >= min)
 		return 0;
 	while (cache->nobjs < ARRAY_SIZE(cache->objects)) {
-		page = (void *)__get_free_page(GFP_KERNEL);
+		page = (void *)__get_free_page(GFP_KERNEL_ACCOUNT);
 		if (!page)
 			return -ENOMEM;
 		cache->objects[cache->nobjs++] = page;