1 files changed, 0 insertions, 113 deletions
diff --git a/tools/testing/selftests/vm/map_populate.c b/tools/testing/selftests/vm/map_populate.c
deleted file mode 100644
index 6b8aeaa0bf7a..000000000000
--- a/tools/testing/selftests/vm/map_populate.c
+++ /dev/null
@@ -1,113 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2018 Dmitry Safonov, Arista Networks
- *
- * MAP_POPULATE | MAP_PRIVATE should COW VMA pages.
- */
-
-#define _GNU_SOURCE
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#ifndef MMAP_SZ
-#define MMAP_SZ		4096
-#endif
-
-#define BUG_ON(condition, description)					\
-	do {								\
-		if (condition) {					\
-			fprintf(stderr, "[FAIL]\t%s:%d\t%s:%s\n", __func__, \
-				__LINE__, (description), strerror(errno)); \
-			exit(1);					\
-		}							\
-	} while (0)
-
-static int parent_f(int sock, unsigned long *smap, int child)
-{
-	int status, ret;
-
-	ret = read(sock, &status, sizeof(int));
-	BUG_ON(ret <= 0, "read(sock)");
-
-	*smap = 0x22222BAD;
-	ret = msync(smap, MMAP_SZ, MS_SYNC);
-	BUG_ON(ret, "msync()");
-
-	ret = write(sock, &status, sizeof(int));
-	BUG_ON(ret <= 0, "write(sock)");
-
-	waitpid(child, &status, 0);
-	BUG_ON(!WIFEXITED(status), "child in unexpected state");
-
-	return WEXITSTATUS(status);
-}
-
-static int child_f(int sock, unsigned long *smap, int fd)
-{
-	int ret, buf = 0;
-
-	smap = mmap(0, MMAP_SZ, PROT_READ | PROT_WRITE,
-			MAP_PRIVATE | MAP_POPULATE, fd, 0);
-	BUG_ON(smap == MAP_FAILED, "mmap()");
-
-	BUG_ON(*smap != 0xdeadbabe, "MAP_PRIVATE | MAP_POPULATE changed file");
-
-	ret = write(sock, &buf, sizeof(int));
-	BUG_ON(ret <= 0, "write(sock)");
-
-	ret = read(sock, &buf, sizeof(int));
-	BUG_ON(ret <= 0, "read(sock)");
-
-	BUG_ON(*smap == 0x22222BAD, "MAP_POPULATE didn't COW private page");
-	BUG_ON(*smap != 0xdeadbabe, "mapping was corrupted");
-
-	return 0;
-}
-
-int main(int argc, char **argv)
-{
-	int sock[2], child, ret;
-	FILE *ftmp;
-	unsigned long *smap;
-
-	ftmp = tmpfile();
-	BUG_ON(ftmp == 0, "tmpfile()");
-
-	ret = ftruncate(fileno(ftmp), MMAP_SZ);
-	BUG_ON(ret, "ftruncate()");
-
-	smap = mmap(0, MMAP_SZ, PROT_READ | PROT_WRITE,
-			MAP_SHARED, fileno(ftmp), 0);
-	BUG_ON(smap == MAP_FAILED, "mmap()");
-
-	*smap = 0xdeadbabe;
-	/* Probably unnecessary, but let it be. */
-	ret = msync(smap, MMAP_SZ, MS_SYNC);
-	BUG_ON(ret, "msync()");
-
-	ret = socketpair(PF_LOCAL, SOCK_SEQPACKET, 0, sock);
-	BUG_ON(ret, "socketpair()");
-
-	child = fork();
-	BUG_ON(child == -1, "fork()");
-
-	if (child) {
-		ret = close(sock[0]);
-		BUG_ON(ret, "close()");
-
-		return parent_f(sock[1], smap, child);
-	}
-
-	ret = close(sock[1]);
-	BUG_ON(ret, "close()");
-
-	return child_f(sock[0], smap, fileno(ftmp));
-}