diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-03-27 04:16:22 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-27 11:44:49 -0500 |
| commit | 0771dfefc9e538f077d0b43b6dec19a5a67d0e70 (patch) | |
| tree | 696267e69228b7406b337f9651dedc75055a589e /include/linux/threads.h | |
| parent | e9056f13bfcdd054a0c3d730e4e096748d8a363a (diff) | |
[PATCH] lightweight robust futexes: core
Add the core infrastructure for robust futexes: structure definitions, the new
syscalls and the do_exit() based cleanup mechanism.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Acked-by: Ulrich Drepper <drepper@redhat.com>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/threads.h')
| -rw-r--r-- | include/linux/threads.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/threads.h b/include/linux/threads.h index b59738ac6197..e646bcdf2614 100644 --- a/include/linux/threads.h +++ b/include/linux/threads.h | |||
| @@ -28,7 +28,8 @@ | |||
| 28 | #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) | 28 | #define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000) |
| 29 | 29 | ||
| 30 | /* | 30 | /* |
| 31 | * A maximum of 4 million PIDs should be enough for a while: | 31 | * A maximum of 4 million PIDs should be enough for a while. |
| 32 | * [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.] | ||
| 32 | */ | 33 | */ |
| 33 | #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ | 34 | #define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \ |
| 34 | (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) | 35 | (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT)) |