On Mon, Mar 17, 2008 at 04:38:00PM +0100, Alexander van Heukelum wrote:
> CONFIG_SLOB=y
> Please review/comment (or create a better patch for this yourself!).
Try the one below - it's a bit larger, but perhaps cleaner and more
future-proof.
Jeff
--
Work email - jdike at linux dot intel dot com
Index: linux-2.6.22/arch/um/drivers/chan_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/chan_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/chan_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -11,6 +11,7 @@
#include <termios.h>
#include <sys/ioctl.h>
#include "chan_user.h"
+#include "kern_constants.h"
#include "os.h"
#include "um_malloc.h"
#include "user.h"
Index: linux-2.6.22/arch/um/drivers/cow_sys.h
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/cow_sys.h 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/drivers/cow_sys.h 2008-03-31 10:01:19.000000000
-0400
@@ -8,7 +8,7 @@
static inline void *cow_malloc(int size)
{
- return kmalloc(size, UM_GFP_KERNEL);
+ return uml_kmalloc(size, UM_GFP_KERNEL);
}
static inline void cow_free(void *ptr)
Index: linux-2.6.22/arch/um/drivers/daemon_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/daemon_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/daemon_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -35,7 +35,7 @@ static struct sockaddr_un *new_addr(void
{
struct sockaddr_un *sun;
- sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+ sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if (sun == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
@@ -84,7 +84,7 @@ static int connect_to_switch(struct daem
goto out_close;
}
- sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+ sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if (sun == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
Index: linux-2.6.22/arch/um/drivers/fd.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/fd.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/drivers/fd.c 2008-03-31 10:01:19.000000000 -0400
@@ -40,7 +40,7 @@ static void *fd_init(char *str, int devi
return NULL;
}
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
Index: linux-2.6.22/arch/um/drivers/mcast_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/mcast_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/mcast_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -15,6 +15,7 @@
#include <unistd.h>
#include <errno.h>
#include <netinet/in.h>
+#include "kern_constants.h"
#include "mcast.h"
#include "net_user.h"
#include "um_malloc.h"
@@ -24,7 +25,7 @@ static struct sockaddr_in *new_addr(char
{
struct sockaddr_in *sin;
- sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
+ sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
if (sin == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
"failed\n");
Index: linux-2.6.22/arch/um/drivers/net_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/net_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/net_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -222,7 +222,7 @@ static void change(char *dev, char *what
netmask[2], netmask[3]);
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
if (output == NULL)
printk(UM_KERN_ERR "change : failed to allocate output "
"buffer\n");
Index: linux-2.6.22/arch/um/drivers/port_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/port_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/port_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -47,7 +47,7 @@ static void *port_init(char *str, int de
if (kern_data == NULL)
return NULL;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
goto err;
Index: linux-2.6.22/arch/um/drivers/pty.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/pty.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/drivers/pty.c 2008-03-31 10:01:19.000000000 -0400
@@ -29,7 +29,7 @@ static void *pty_chan_init(char *str, in
{
struct pty_chan *data;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
Index: linux-2.6.22/arch/um/drivers/slip_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/slip_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/slip_user.c 2008-03-31 10:01:19.000000000
-0400
@@ -96,7 +96,7 @@ static int slip_tramp(char **argv, int f
pid = err;
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
if (output == NULL) {
printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
"buffer\n");
Index: linux-2.6.22/arch/um/drivers/tty.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/tty.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/drivers/tty.c 2008-03-31 10:01:19.000000000 -0400
@@ -29,7 +29,7 @@ static void *tty_chan_init(char *str, in
}
str++;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
*data = ((struct tty_chan) { .dev = str,
Index: linux-2.6.22/arch/um/drivers/xterm.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/xterm.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/drivers/xterm.c 2008-03-31 10:01:19.000000000
-0400
@@ -30,7 +30,7 @@ static void *xterm_init(char *str, int d
{
struct xterm_chan *data;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
*data = ((struct xterm_chan) { .pid = -1,
Index: linux-2.6.22/arch/um/include/um_malloc.h
===================================================================
--- linux-2.6.22.orig/arch/um/include/um_malloc.h 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/include/um_malloc.h 2008-03-31 10:01:19.000000000
-0400
@@ -8,15 +8,12 @@
#include "kern_constants.h"
-extern void *__kmalloc(int size, int flags);
-static inline void *kmalloc(int size, int flags)
-{
- return __kmalloc(size, flags);
-}
-
+extern void *uml_kmalloc(int size, int flags);
extern void kfree(const void *ptr);
extern void *vmalloc(unsigned long size);
extern void vfree(void *ptr);
#endif /* __UM_MALLOC_H__ */
+
+
Index: linux-2.6.22/arch/um/kernel/mem.c
===================================================================
--- linux-2.6.22.orig/arch/um/kernel/mem.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/kernel/mem.c 2008-03-31 10:01:19.000000000 -0400
@@ -375,3 +375,8 @@ pmd_t *pmd_alloc_one(struct mm_struct *m
return pmd;
}
#endif
+
+void *uml_kmalloc(int size, int flags)
+{
+ return kmalloc(size, flags);
+}
Index: linux-2.6.22/arch/um/os-Linux/drivers/ethertap_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/drivers/ethertap_user.c 2008-03-31
10:01:02.000000000 -0400
+++ linux-2.6.22/arch/um/os-Linux/drivers/ethertap_user.c 2008-03-31
10:01:19.000000000 -0400
@@ -52,7 +52,7 @@ static void etap_change(int op, unsigned
return;
}
- output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
+ output = uml_kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
if (output == NULL)
printk(UM_KERN_ERR "etap_change : Failed to allocate output "
"buffer\n");
@@ -165,7 +165,7 @@ static int etap_open(void *data)
err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0],
control_fds[1], data_fds[0], data_fds[1]);
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
read_output(control_fds[0], output, output_len);
if (output == NULL)
Index: linux-2.6.22/arch/um/os-Linux/helper.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/helper.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/os-Linux/helper.c 2008-03-31 10:01:19.000000000
-0400
@@ -70,8 +70,8 @@ int run_helper(void (*pre_exec)(void *),
data.pre_data = pre_data;
data.argv = argv;
data.fd = fds[1];
- data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
- kmalloc(PATH_MAX, UM_GFP_KERNEL);
+ data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+ uml_kmalloc(PATH_MAX, UM_GFP_KERNEL);
pid = clone(helper_child, (void *) sp, CLONE_VM, &data);
if (pid < 0) {
ret = -errno;
Index: linux-2.6.22/arch/um/os-Linux/main.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/main.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/os-Linux/main.c 2008-03-31 10:01:19.000000000
-0400
@@ -199,7 +199,7 @@ void *__wrap_malloc(int size)
return __real_malloc(size);
else if (size <= UM_KERN_PAGE_SIZE)
/* finding contiguous pages can be hard*/
- ret = kmalloc(size, UM_GFP_KERNEL);
+ ret = uml_kmalloc(size, UM_GFP_KERNEL);
else ret = vmalloc(size);
/*
Index: linux-2.6.22/arch/um/os-Linux/sigio.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/sigio.c 2008-03-31 10:01:02.000000000
-0400
+++ linux-2.6.22/arch/um/os-Linux/sigio.c 2008-03-31 10:02:05.000000000
-0400
@@ -109,7 +109,7 @@ static int need_poll(struct pollfds *pol
if (n <= polls->size)
return 0;
- new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
+ new = uml_kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
if (new == NULL) {
printk(UM_KERN_ERR "need_poll : failed to allocate new "
"pollfds\n");
@@ -243,7 +243,7 @@ static struct pollfd *setup_initial_poll
{
struct pollfd *p;
- p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
+ p = uml_kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
if (p == NULL) {
printk(UM_KERN_ERR "setup_initial_poll : failed to allocate "
"poll\n");
-------------------------------------------------------------------------
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