[PATCH v5 19/23] x86/mm: export get_page_light via asm-x86/mm.h

[Wei Liu <wei.liu2@citrix.com>]

It is going to be needed by common x86 mm code and pv mm code.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
 xen/arch/x86/mm.c        | 2 +-
 xen/include/asm-x86/mm.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index f9cc5a0f6f..c3a26fe03d 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -1955,7 +1955,7 @@ int get_page(struct page_info *page, struct domain *domain)
  *   acquired reference again.
  * Due to get_page() reserving one reference, this call cannot fail.
  */
-static void get_page_light(struct page_info *page)
+void get_page_light(struct page_info *page)
 {
     unsigned long x, nx, y = page->count_info;
 
diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h
index fbb98e80c6..1f62155d56 100644
--- a/xen/include/asm-x86/mm.h
+++ b/xen/include/asm-x86/mm.h
@@ -363,6 +363,7 @@ int  put_old_guest_table(struct vcpu *);
 int  get_page_from_l1e(
     l1_pgentry_t l1e, struct domain *l1e_owner, struct domain *pg_owner);
 void put_page_from_l1e(l1_pgentry_t l1e, struct domain *l1e_owner);
+void get_page_light(struct page_info *page);
 
 static inline bool get_page_from_mfn(mfn_t mfn, struct domain *d)
 {
-- 
2.11.0


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