[PATCH] for_each_possible_cpu: documentaion
Replace for_each_cpu with for_each_possible_cpu. Modifies occurences in documentaion. for_each_cpu in whatisRCU.txt should be for_each_online_cpu ??? (I'm not sure..) Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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2 changed files with 3 additions and 3 deletions
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@ -605,7 +605,7 @@ are the same as those shown in the preceding section, so they are omitted.
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{
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int cpu;
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for_each_cpu(cpu)
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for_each_possible_cpu(cpu)
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run_on(cpu);
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}
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@ -97,13 +97,13 @@ at which time hotplug is disabled.
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You really dont need to manipulate any of the system cpu maps. They should
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be read-only for most use. When setting up per-cpu resources almost always use
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cpu_possible_map/for_each_cpu() to iterate.
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cpu_possible_map/for_each_possible_cpu() to iterate.
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Never use anything other than cpumask_t to represent bitmap of CPUs.
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#include <linux/cpumask.h>
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for_each_cpu - Iterate over cpu_possible_map
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for_each_possible_cpu - Iterate over cpu_possible_map
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for_each_online_cpu - Iterate over cpu_online_map
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for_each_present_cpu - Iterate over cpu_present_map
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for_each_cpu_mask(x,mask) - Iterate over some random collection of cpu mask.
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