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| author | Sukadev Bhattiprolu <sukadev@us.ibm.com> | 2006-10-02 02:17:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:15 -0700 |
| commit | aa5a6662f93f52605b6c447ba6f7291e92f515c5 (patch) | |
| tree | 233cfe0942063c81a582d8451ddd2a38d40566e9 /include/linux/pspace.h | |
| parent | d387cae075b0aec479adbdfb71df39f7de8e9adb (diff) | |
| download | lwn-aa5a6662f93f52605b6c447ba6f7291e92f515c5.tar.gz lwn-aa5a6662f93f52605b6c447ba6f7291e92f515c5.zip | |
[PATCH] Move pidmap to pspace.h
Move struct pidmap and PIDMAP_ENTRIES to a new file, include/linux/pspace.h
where it will be used in subsequent patches to define pid spaces.
Its a subset of Eric Biederman's patch http://lkml.org/lkml/2006/2/6/285
[akpm@osdl.org: cleanups]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Serge Hallyn <serue@us.ibm.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/pspace.h')
| -rw-r--r-- | include/linux/pspace.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/pspace.h b/include/linux/pspace.h new file mode 100644 index 000000000000..a8a064b0ad18 --- /dev/null +++ b/include/linux/pspace.h @@ -0,0 +1,16 @@ +#ifndef _LINUX_PSPACE_H +#define _LINUX_PSPACE_H + +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/threads.h> +#include <linux/pid.h> + +struct pidmap { + atomic_t nr_free; + void *page; +}; + +#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8) + +#endif /* _LINUX_PSPACE_H */ |