Merge to Fedora kernel-2.6.17-1.2187_FC5 patched with stable patch-2.6.17.13-vs2...

[linux-2.6.git] / mm / highmem.c

diff --git a/mm/highmem.c b/mm/highmem.c
index 9b274fd..a02c6de 100644 (file)
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -142,6 +142,17 @@ start:
        return vaddr;
 }
 
+#ifdef CONFIG_XEN
+void kmap_flush_unused(void)
+{
+       spin_lock(&kmap_lock);
+       flush_all_zero_pkmaps();
+       spin_unlock(&kmap_lock);
+}
+
+EXPORT_SYMBOL(kmap_flush_unused);
+#endif
+
 void fastcall *kmap_high(struct page *page)
 {
        unsigned long vaddr;