From 685a72c4732f23fa5d049cc1c89805bb64a76ee4 Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Dec 09 2020 19:20:17 +0000
Subject: Apply patch 0009-tests-Add-utility-to-check-if-huge-pages-are-giganti.patch


patch_name: 0009-tests-Add-utility-to-check-if-huge-pages-are-giganti.patch
present_in_specfile: true

---

diff --git a/tests/hugetests.h b/tests/hugetests.h
index e3179e6..bc4e16a 100644
--- a/tests/hugetests.h
+++ b/tests/hugetests.h
@@ -22,6 +22,7 @@
 
 #include <errno.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "libhugetlbfs_privutils.h"
 #include "libhugetlbfs_testprobes.h"
@@ -136,6 +137,24 @@ static inline long check_hugepagesize()
 	return __hpage_size;
 }
 
+static inline void check_if_gigantic_page(void)
+{
+	long page_size, hpage_size, max_order;
+	FILE *fp;
+
+	page_size = sysconf(_SC_PAGESIZE);
+	hpage_size = gethugepagesize();
+	fp = popen("cat /proc/pagetypeinfo | "
+		   "awk '/Free pages count per migrate type at order/ "
+		   "{print $NF}'", "r");
+	if (!fp || fscanf(fp, "%lu", &max_order) < 0)
+		FAIL("Couldn't determine max page allocation order");
+
+	pclose(fp);
+	if (hpage_size > ((1 << max_order) * page_size))
+		CONFIG("Gigantic pages are not supported");
+}
+
 int using_system_hpage_size(const char *mount);
 
 /* WARNING: Racy -- use for test cases only! */