tmem: cleanup: drop useless function 'tmem_copy_page'

Use memcpy directly.

Signed-off-by: Bob Liu <bob.liu@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/xen/common/tmem_xen.c b/xen/common/tmem_xen.c
index 1e002aef869aff3bf41f97c010e48deda9101093..af6770363ad9b01dc32b9433b0e7c716a8b3bb1e 100644 (file)
--- a/xen/common/tmem_xen.c
+++ b/xen/common/tmem_xen.c
@@ -44,11 +44,6 @@ static DEFINE_PER_CPU_READ_MOSTLY(unsigned char *, workmem);
 static DEFINE_PER_CPU_READ_MOSTLY(unsigned char *, dstmem);
 static DEFINE_PER_CPU_READ_MOSTLY(void *, scratch_page);
 
-void tmem_copy_page(char *to, char*from)
-{
-    memcpy(to, from, PAGE_SIZE);
-}
-
 #if defined(CONFIG_ARM)
 static inline void *cli_get_page(xen_pfn_t cmfn, unsigned long *pcli_mfn,
                                  struct page_info **pcli_pfp, bool_t cli_write)
@@ -135,7 +130,7 @@ EXPORT int tmem_copy_from_client(struct page_info *pfp,
     }
     smp_mb();
     if ( len == PAGE_SIZE && !tmem_offset && !pfn_offset && cli_va )
-        tmem_copy_page(tmem_va, cli_va);
+        memcpy(tmem_va, cli_va, PAGE_SIZE);
     else if ( (tmem_offset+len <= PAGE_SIZE) &&
               (pfn_offset+len <= PAGE_SIZE) )
     {
@@ -206,7 +201,7 @@ EXPORT int tmem_copy_to_client(xen_pfn_t cmfn, struct page_info *pfp,
     tmem_mfn = page_to_mfn(pfp);
     tmem_va = map_domain_page(tmem_mfn);
     if ( len == PAGE_SIZE && !tmem_offset && !pfn_offset && cli_va )
-        tmem_copy_page(cli_va, tmem_va);
+        memcpy(cli_va, tmem_va, PAGE_SIZE);
     else if ( (tmem_offset+len <= PAGE_SIZE) && (pfn_offset+len <= PAGE_SIZE) )
     {
         if ( cli_va )