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authorMilton Miller <miltonm@bga.com>2011-05-10 21:28:52 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-19 06:30:44 +0200
commit2cd947f1757fb937806535be13caf2ddd813d60b (patch)
tree7c965799f1662e104053ab637666e9efd06d623f /arch/powerpc/platforms/iseries
parentpowerpc: Respect nr_cpu_ids when calling set_cpu_possible and set_cpu_present (diff)
downloadlinux-2cd947f1757fb937806535be13caf2ddd813d60b.tar.xz
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powerpc: Use nr_cpu_ids in initial paca allocation
Now that we never set a cpu above nr_cpu_ids possible we can limit our initial paca allocation to nr_cpu_ids. We can then clamp the number of cpus in platforms/iseries/setup.c. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/iseries')
-rw-r--r--arch/powerpc/platforms/iseries/setup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 81cb8d2c4132..c25a0815c26b 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -685,6 +685,11 @@ void * __init iSeries_early_setup(void)
powerpc_firmware_features |= FW_FEATURE_ISERIES;
powerpc_firmware_features |= FW_FEATURE_LPAR;
+#ifdef CONFIG_SMP
+ /* On iSeries we know we can never have more than 64 cpus */
+ nr_cpu_ids = max(nr_cpu_ids, 64);
+#endif
+
iSeries_fixup_klimit();
/*