diff options
Diffstat (limited to 'arch/um/os-Linux/mem.c')
-rw-r--r-- | arch/um/os-Linux/mem.c | 27 |
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 | ||
124 | static 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 | |||
145 | extern int have_devanon; | ||
146 | |||
147 | int create_mem_file(unsigned long long len) | 124 | int 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){ |