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-rw-r--r--linux-core/drm_compat.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index 7ddc2c97..c7f72e33 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -369,4 +369,12 @@ extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma,
#define drm_core_ioremap_wc drm_core_ioremap
#endif
+#ifndef OS_HAS_GEM
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27))
+#define OS_HAS_GEM 1
+#else
+#define OS_HAS_GEM 0
+#endif
+#endif
+
#endif