X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os-linux.h;h=f2df97d3bf2588f7dc1dae447ed27988097a2078;hp=421baffb25342458d4005111a8cf804156853724;hb=32cd46a085ac60f4f8b085e2d65ebfc6100bb8c5;hpb=22f78b320a8d2ffa32b5736fe754c108a8d21525

diff --git a/os-linux.h b/os-linux.h
index 421baffb..f2df97d3 100644
--- a/os-linux.h
+++ b/os-linux.h
@@ -87,4 +87,16 @@ static inline int blockdev_size(int fd, unsigned long long *bytes)
 	return errno;
 }
 
+static inline unsigned long long os_phys_mem(void)
+{
+	long pagesize, pages;
+
+	pagesize = sysconf(_SC_PAGESIZE);
+	pages = sysconf(_SC_PHYS_PAGES);
+	if (pages == -1 || pagesize == -1)
+		return 0;
+
+	return (unsigned long long) pages * (unsigned long long) pagesize;
+}
+
 #endif