linux-kernel - [PATCH 09/16] selftests/mm: hugetlb-madvise: fix type mismatch issues

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Message-Id: <20250109173842.1142376-10-usama.anjum@collabora.com>
Date: Thu,  9 Jan 2025 22:38:35 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Kees Cook <kees@...nel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Will Drewry <wad@...omium.org>,
	Shuah Khan <shuah@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jérôme Glisse <jglisse@...hat.com>,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
	kernel@...labora.com
Subject: [PATCH 09/16] selftests/mm: hugetlb-madvise: fix type mismatch issues

Fix type mismatch warnings:
  hugetlb-madvise.c:30:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Wsign-compare]
     30 |                 if (fhp != (exp_free)) {                                \
        |                         ^~
  hugetlb-madvise.c:114:9: note: in expansion of macro ‘validate_free_pages’
    114 |         validate_free_pages(free_hugepages - NR_HUGE_PAGES);
        |         ^~~~~~~~~~~~~~~~~~~

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
 tools/testing/selftests/mm/hugetlb-madvise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c
index 43f16c12c8e9a..8f527084858d0 100644
--- a/tools/testing/selftests/mm/hugetlb-madvise.c
+++ b/tools/testing/selftests/mm/hugetlb-madvise.c
@@ -26,7 +26,7 @@
 
 #define validate_free_pages(exp_free)					\
 	do {								\
-		int fhp = get_free_hugepages();				\
+		unsigned int fhp = get_free_hugepages();		\
 		if (fhp != (exp_free)) {				\
 			printf("Unexpected number of free huge "	\
 				"pages line %d\n", __LINE__);		\
-- 
2.39.5