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Kirill Smelkov
linux
Commits
7b106d88
Commit
7b106d88
authored
22 years ago
by
Christoph Hellwig
Committed by
Linus Torvalds
22 years ago
Browse files
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[PATCH] nommu systems can't support /proc/<pid>/maps
So stub it out, similar to /proc/<pid>/wchan for !CONFIG_KALLSYMS
parent
007d8ed8
Changes
2
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2 changed files
with
12 additions
and
4 deletions
+12
-4
fs/proc/array.c
fs/proc/array.c
+4
-2
fs/proc/base.c
fs/proc/base.c
+8
-2
No files found.
fs/proc/array.c
View file @
7b106d88
...
...
@@ -513,8 +513,9 @@ static int proc_pid_maps_get_line (char *buf, struct vm_area_struct *map)
return
len
;
}
ssize_t
proc_pid_read_maps
(
struct
task_struct
*
task
,
struct
file
*
file
,
char
*
buf
,
size_t
count
,
loff_t
*
ppos
)
#ifdef CONFIG_MMU
ssize_t
proc_pid_read_maps
(
struct
task_struct
*
task
,
struct
file
*
file
,
char
*
buf
,
size_t
count
,
loff_t
*
ppos
)
{
struct
mm_struct
*
mm
;
struct
vm_area_struct
*
map
;
...
...
@@ -597,3 +598,4 @@ ssize_t proc_pid_read_maps (struct task_struct *task, struct file * file, char *
out:
return
retval
;
}
#endif
/* CONFIG_MMU */
This diff is collapsed.
Click to expand it.
fs/proc/base.c
View file @
7b106d88
...
...
@@ -75,7 +75,9 @@ static struct pid_entry base_stuff[] = {
E
(
PROC_PID_CMDLINE
,
"cmdline"
,
S_IFREG
|
S_IRUGO
),
E
(
PROC_PID_STAT
,
"stat"
,
S_IFREG
|
S_IRUGO
),
E
(
PROC_PID_STATM
,
"statm"
,
S_IFREG
|
S_IRUGO
),
#ifdef CONFIG_MMU
E
(
PROC_PID_MAPS
,
"maps"
,
S_IFREG
|
S_IRUGO
),
#endif
E
(
PROC_PID_MEM
,
"mem"
,
S_IFREG
|
S_IRUSR
|
S_IWUSR
),
E
(
PROC_PID_CWD
,
"cwd"
,
S_IFLNK
|
S_IRWXUGO
),
E
(
PROC_PID_ROOT
,
"root"
,
S_IFLNK
|
S_IRWXUGO
),
...
...
@@ -98,7 +100,6 @@ static inline int proc_type(struct inode *inode)
return
PROC_I
(
inode
)
->
type
;
}
ssize_t
proc_pid_read_maps
(
struct
task_struct
*
,
struct
file
*
,
char
*
,
size_t
,
loff_t
*
);
int
proc_pid_stat
(
struct
task_struct
*
,
char
*
);
int
proc_pid_status
(
struct
task_struct
*
,
char
*
);
int
proc_pid_statm
(
struct
task_struct
*
,
char
*
);
...
...
@@ -321,6 +322,9 @@ static int proc_permission(struct inode *inode, int mask)
return
proc_check_root
(
inode
);
}
#ifdef CONFIG_MMU
extern
ssize_t
proc_pid_read_maps
(
struct
task_struct
*
,
struct
file
*
,
char
*
,
size_t
,
loff_t
*
);
static
ssize_t
pid_maps_read
(
struct
file
*
file
,
char
*
buf
,
size_t
count
,
loff_t
*
ppos
)
{
...
...
@@ -335,6 +339,7 @@ static ssize_t pid_maps_read(struct file * file, char * buf,
static
struct
file_operations
proc_maps_operations
=
{
.
read
=
pid_maps_read
,
};
#endif
/* CONFIG_MMU */
extern
struct
seq_operations
mounts_op
;
static
int
mounts_open
(
struct
inode
*
inode
,
struct
file
*
file
)
...
...
@@ -1023,10 +1028,11 @@ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry)
inode
->
i_fop
=
&
proc_info_file_operations
;
ei
->
op
.
proc_read
=
proc_pid_statm
;
break
;
#ifdef CONFIG_MMU
case
PROC_PID_MAPS
:
inode
->
i_fop
=
&
proc_maps_operations
;
break
;
#endif
case
PROC_PID_MEM
:
inode
->
i_op
=
&
proc_mem_inode_operations
;
inode
->
i_fop
=
&
proc_mem_operations
;
...
...
This diff is collapsed.
Click to expand it.
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