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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-06-30 12:16:24 +0200
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-07-26 14:27:25 +0200
commit2dcf78c0eeae3bd07082821557014f25f02ca2e9 (patch)
tree8ca5c4c7f35c9a9ab07fcd9732124c905e609aa1 /include/linux/threads.h
parent6b6322676add0fa2713d0ec89a28390fd4d907f5 (diff)
parent5109a4597f7e758b8d20694392d0361a0b4c43b1 (diff)
Merge branch 'imx/for-2.6.36' of git://git.pengutronix.de/git/ukl/linux-2.6 into HEAD
There are some more conflicts than detected by git, namely support for the newly added cpuimx machines needed to be converted to dynamic device registration. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Conflicts: arch/arm/mach-imx/Makefile arch/arm/mach-imx/devices.c arch/arm/mach-imx/devices.h arch/arm/mach-imx/eukrea_mbimx27-baseboard.c arch/arm/mach-mx2/Kconfig arch/arm/mach-mx25/Makefile arch/arm/mach-mx25/devices.c arch/arm/plat-mxc/include/mach/mx25.h arch/arm/plat-mxc/include/mach/mxc_nand.h
Diffstat (limited to 'include/linux/threads.h')
-rw-r--r--include/linux/threads.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/threads.h b/include/linux/threads.h
index 052b12bec8b..383ab9592be 100644
--- a/include/linux/threads.h
+++ b/include/linux/threads.h
@@ -33,4 +33,13 @@
#define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
(sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))
+/*
+ * Define a minimum number of pids per cpu. Heuristically based
+ * on original pid max of 32k for 32 cpus. Also, increase the
+ * minimum settable value for pid_max on the running system based
+ * on similar defaults. See kernel/pid.c:pidmap_init() for details.
+ */
+#define PIDS_PER_CPU_DEFAULT 1024
+#define PIDS_PER_CPU_MIN 8
+
#endif