mm: fix s390 compat build error

Nathan reported build error with sys_compat_process_madvise. This patch should fix it. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Minchan Kim <[email protected]> Reported-by: Nathan Chancellor <[email protected]> Tested-by: Nathan Chancellor <[email protected]> [build] Cc: Christian Brauner <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Stephen Rothwell <[email protected]>
sigmaris · Jun 5, 2020 · 5a40317 · 5a40317
1 parent 1cc8035
commit 5a40317
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/include/linux/compat.h b/include/linux/compat.h
@@ -827,9 +827,10 @@ asmlinkage long compat_sys_pwritev64v2(unsigned long fd,
 		unsigned long vlen, loff_t pos, rwf_t flags);
 #endif
 
-asmlinkage ssize_t compat_sys_process_madvise(int which,
+asmlinkage ssize_t compat_sys_process_madvise(compat_int_t which,
 		compat_pid_t upid, const struct compat_iovec __user *vec,
-		unsigned long vlen, int behavior, unsigned long flags);
+		compat_ulong_t vlen, compat_int_t behavior,
+		compat_ulong_t flags);
 
 /*
  * Deprecated system calls which are still defined in

diff --git a/mm/madvise.c b/mm/madvise.c
@@ -1311,9 +1311,12 @@ SYSCALL_DEFINE6(process_madvise, int, which, pid_t, upid,
 }
 
 #ifdef CONFIG_COMPAT
-COMPAT_SYSCALL_DEFINE6(process_madvise, int, which, compat_pid_t, upid,
-		const struct compat_iovec __user *, vec, unsigned long, vlen,
-		int, behavior, unsigned long, flags)
+COMPAT_SYSCALL_DEFINE6(process_madvise, compat_int_t, which,
+			compat_pid_t, upid,
+			const struct compat_iovec __user *, vec,
+			compat_ulong_t, vlen,
+			compat_int_t, behavior,
+			compat_ulong_t, flags)
 
 {
 	ssize_t ret;