From 83f09228d068911ac8797ae8d6febef886698936 Mon Sep 17 00:00:00 2001
From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Date: Fri, 3 Aug 2012 15:39:59 +0800
Subject: KVM: inline is_*_pfn functions

These functions are exported and can not inline, move them
to kvm_host.h to eliminate the overload of function call

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 include/linux/kvm_host.h | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'include/linux/kvm_host.h')

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b2cf3109822e..19d91ceaf5e6 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -21,6 +21,7 @@
 #include <linux/slab.h>
 #include <linux/rcupdate.h>
 #include <linux/ratelimit.h>
+#include <linux/err.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -52,6 +53,21 @@
 #define KVM_PFN_ERR_HWPOISON	(-EHWPOISON)
 #define KVM_PFN_ERR_BAD		(-ENOENT)
 
+static inline int is_error_pfn(pfn_t pfn)
+{
+	return IS_ERR_VALUE(pfn);
+}
+
+static inline int is_noslot_pfn(pfn_t pfn)
+{
+	return pfn == -ENOENT;
+}
+
+static inline int is_invalid_pfn(pfn_t pfn)
+{
+	return !is_noslot_pfn(pfn) && is_error_pfn(pfn);
+}
+
 /*
  * vcpu->requests bit members
  */
@@ -396,9 +412,6 @@ id_to_memslot(struct kvm_memslots *slots, int id)
 extern struct page *bad_page;
 
 int is_error_page(struct page *page);
-int is_error_pfn(pfn_t pfn);
-int is_noslot_pfn(pfn_t pfn);
-int is_invalid_pfn(pfn_t pfn);
 int kvm_is_error_hva(unsigned long addr);
 int kvm_set_memory_region(struct kvm *kvm,
 			  struct kvm_userspace_memory_region *mem,
-- 
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