latent_entropy: Fix wrong gcc code generation with 64 bit variables

[cascardo/linux.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ca423cc..1b10c14 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -91,6 +91,11 @@ EXPORT_PER_CPU_SYMBOL(_numa_mem_);
 int _node_numa_mem_[MAX_NUMNODES];
 #endif
 
+#ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
+volatile unsigned long latent_entropy __latent_entropy;
+EXPORT_SYMBOL(latent_entropy);
+#endif
+
 /*
  * Array of node states.
  */