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-rw-r--r--arch/um/os-Linux/mem.c27
1 files changed, 1 insertions, 26 deletions
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 9d7d69a523bb..6ab372da9657 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -121,36 +121,11 @@ int create_tmp_file(unsigned long long len)
121 return(fd); 121 return(fd);
122} 122}
123 123
124static int create_anon_file(unsigned long long len)
125{
126 void *addr;
127 int fd;
128
129 fd = open("/dev/anon", O_RDWR);
130 if(fd < 0) {
131 perror("opening /dev/anon");
132 exit(1);
133 }
134
135 addr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
136 if(addr == MAP_FAILED){
137 perror("mapping physmem file");
138 exit(1);
139 }
140 munmap(addr, len);
141
142 return(fd);
143}
144
145extern int have_devanon;
146
147int create_mem_file(unsigned long long len) 124int create_mem_file(unsigned long long len)
148{ 125{
149 int err, fd; 126 int err, fd;
150 127
151 if(have_devanon) 128 fd = create_tmp_file(len);
152 fd = create_anon_file(len);
153 else fd = create_tmp_file(len);
154 129
155 err = os_set_exec_close(fd, 1); 130 err = os_set_exec_close(fd, 1);
156 if(err < 0){ 131 if(err < 0){