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um: kill HOST_TASK_PID

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just provide get_current_pid() to the userland side of things
instead of get_current() + manual poking in its results

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Al Viro 2012-01-30 16:30:48 -05:00 • committed by Richard Weinberger
parent 28a12cb598
commit c2220b2a12
4 changed files with 4 additions and 8 deletions
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2
arch/um/include/shared/common-offsets.h
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@ -2,8 +2,6 @@
DEFINE(KERNEL_MADV_REMOVE, MADV_REMOVE);
OFFSET(HOST_TASK_PID, task_struct, pid);
DEFINE(UM_KERN_PAGE_SIZE, PAGE_SIZE);
DEFINE(UM_KERN_PAGE_MASK, PAGE_MASK);
DEFINE(UM_KERN_PAGE_SHIFT, PAGE_SHIFT);

2
arch/um/include/shared/kern_util.h
View file

@ -48,7 +48,7 @@ extern void do_uml_exitcalls(void);
* GFP_ATOMIC.
*/
extern int __cant_sleep(void);
extern void *get_current(void);
extern int get_current_pid(void);
extern int copy_from_user_proc(void *to, void *from, int size);
extern int cpu(void);
extern char *uml_strdup(const char *string);