[PATCH] mm: Reuse PRI_gfn macro instead of manual specify the format

[Frediano Ziglio <frediano.ziglio@xxxxxxxxx>]

Macros are defined to avoid type mismatch in format strings
but also to unify format amongst code.
In the meantime expands to 9 hexadecimal digits.

Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
---
 xen/common/grant_table.c   | 6 +++---
 xen/include/xen/mm-frame.h | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index ab36f45ded..775cd7e065 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -1848,7 +1848,7 @@ gnttab_unpopulate_status_frames(struct domain *d, struct 
grant_table *gt)
             if ( rc )
             {
                 gprintk(XENLOG_ERR,
-                        "Could not remove status frame %u (GFN %#lx) from 
P2M\n",
+                        "Could not remove status frame %u (GFN %"PRI_gfn") 
from P2M\n",
                         i, gfn_x(gfn));
                 domain_crash(d);
                 return rc;
@@ -1863,7 +1863,7 @@ gnttab_unpopulate_status_frames(struct domain *d, struct 
grant_table *gt)
             if ( paging_mode_translate(d) )
             {
                 gprintk(XENLOG_ERR,
-                        "Wrong page state %#lx of status frame %u (GFN 
%#lx)\n",
+                        "Wrong page state %#lx of status frame %u (GFN 
%"PRI_gfn")\n",
                         pg->count_info, i, gfn_x(gfn));
                 domain_crash(d);
             }
@@ -3981,7 +3981,7 @@ void grant_table_warn_active_grants(struct domain *d)
         if ( nr_active <= WARN_GRANT_MAX )
             printk(XENLOG_G_DEBUG "d%d has active grant %x ("
 #ifndef NDEBUG
-                   "GFN %lx, "
+                   "GFN %"PRI_gfn", "
 #endif
                    "MFN: %#"PRI_mfn")\n",
                    d->domain_id, ref,
diff --git a/xen/include/xen/mm-frame.h b/xen/include/xen/mm-frame.h
index d973aec901..6f9fcc2a6a 100644
--- a/xen/include/xen/mm-frame.h
+++ b/xen/include/xen/mm-frame.h
@@ -5,7 +5,7 @@
 #include <xen/typesafe.h>
 
 TYPE_SAFE(unsigned long, mfn);
-#define PRI_mfn          "05lx"
+#define PRI_mfn          "09lx"
 #define INVALID_MFN_RAW  (~0UL)
 #define INVALID_MFN      _mfn(INVALID_MFN_RAW)
 /*
@@ -41,7 +41,7 @@ static inline bool mfn_eq(mfn_t x, mfn_t y)
 }
 
 TYPE_SAFE(unsigned long, gfn);
-#define PRI_gfn          "05lx"
+#define PRI_gfn          "09lx"
 #define INVALID_GFN_RAW  (~0UL)
 #define INVALID_GFN      _gfn(INVALID_GFN_RAW)
 /*
-- 
2.34.1