linux-kernel - [PATCH] selftests/mm: use long for dwRegionSize

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Message-ID: <20250427102639.39978-1-siddarthsgml@gmail.com>
Date: Sun, 27 Apr 2025 15:56:39 +0530
From: Siddarth G <siddarthsgml@...il.com>
To: akpm@...ux-foundation.org
Cc: shuah@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org,
	Siddarth G <siddarthsgml@...il.com>
Subject: [PATCH] selftests/mm: use long for dwRegionSize

Change the type of 'dwRegionSize' in wp_init() and wp_free()
from int to long to match callers that pass long or
unsigned long long values.

wp_addr_range function is left unchanged because it passes
'dwRegionSize' parameter directly to pagemap_ioctl, which expects
an int.

Signed-off-by: Siddarth G <siddarthsgml@...il.com>
---
 tools/testing/selftests/mm/pagemap_ioctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c b/tools/testing/selftests/mm/pagemap_ioctl.c
index 57b4bba2b45f..5773666f07ea 100644
--- a/tools/testing/selftests/mm/pagemap_ioctl.c
+++ b/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -112,7 +112,7 @@ int init_uffd(void)
 	return 0;
 }
 
-int wp_init(void *lpBaseAddress, int dwRegionSize)
+int wp_init(void *lpBaseAddress, long dwRegionSize)
 {
 	struct uffdio_register uffdio_register;
 	struct uffdio_writeprotect wp;
@@ -136,7 +136,7 @@ int wp_init(void *lpBaseAddress, int dwRegionSize)
 	return 0;
 }
 
-int wp_free(void *lpBaseAddress, int dwRegionSize)
+int wp_free(void *lpBaseAddress, long dwRegionSize)
 {
 	struct uffdio_register uffdio_register;
 
-- 
2.43.0