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KVM: set_memory_region: Refactor commit_memory_region()

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This patch makes the parameter old a const pointer to the old memory
slot and adds a new parameter named change to know the change being
requested: the former is for removing extra copying and the latter is
for cleaning up the code.

Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Takuya Yoshikawa
2013-02-27 19:45:25 +09:00
committed by Marcelo Tosatti
parent 7b6195a91d
commit 8482644aea
11 changed files with 24 additions and 18 deletions
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3
include/linux/kvm_host.h
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@@ -483,7 +483,8 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
enum kvm_mr_change change);
void kvm_arch_commit_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot old);
const struct kvm_memory_slot *old,
enum kvm_mr_change change);
bool kvm_largepages_enabled(void);
void kvm_disable_largepages(void);
/* flush all memory translations */