Add strong madvise() hint for cache pruning

[fio.git] / os / os-linux.h

diff --git a/os/os-linux.h b/os/os-linux.h
index dd9c5aaf493ce6ff403e5b1ec92c5390d7b82bb1..e4c4c3fd2f094eceaad485f1d53b2d35def66367 100644 (file)
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -250,6 +250,10 @@ static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
 #define FIO_O_NOATIME  0
 #endif
 
+#ifdef MADV_REMOVE
+#define FIO_MADV_FREE  MADV_REMOVE
+#endif
+
 #define CACHE_LINE_FILE        \
        "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"