Fix bug with stonewall option causing segfault
[fio.git] / memory.c
index e5680389072e1f13910dea1b87a1d9c3bd7fd570..b5a71d5397fd852d42e2fb73f4d45b2a90d38e3b 100644 (file)
--- a/memory.c
+++ b/memory.c
@@ -6,7 +6,6 @@
 #include <sys/mman.h>
 
 #include "fio.h"
 #include <sys/mman.h>
 
 #include "fio.h"
-#include "os.h"
 
 static void *pinned_mem;
 
 
 static void *pinned_mem;
 
@@ -72,6 +71,8 @@ int allocate_io_mem(struct thread_data *td)
                        td_verror(td, errno, "shmget");
                        if (geteuid() != 0 && errno == ENOMEM)
                                log_err("fio: you may need to run this job as root\n");
                        td_verror(td, errno, "shmget");
                        if (geteuid() != 0 && errno == ENOMEM)
                                log_err("fio: you may need to run this job as root\n");
+                       if (errno == EINVAL && td->o.mem_type == MEM_SHMHUGE)
+                               log_err("fio: check that you have free huge pages and that hugepage-size is correct.\n");
                        
                        return 1;
                }
                        
                        return 1;
                }