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SubjectRe: [RFC] [PATCH] cpuset: fix wrong calculation of relax domain level
In looking at this, I notice something I should have questioned before.

The include/linux/sched.h code:

struct sched_domain_attr {
int relax_domain_level;

#define SD_ATTR_INIT (struct sched_domain_attr) { \
.relax_domain_level = -1, \

and the associated passing of relax_domain_level's embedded inside
a kmalloc'c struct sched_domain_attr 'dattr' seems like excessive
obfuscating apparatus to me. Unless someone has short term plans
to be adding some other attributes to this sched_domain_attr, I
suspect it would make more sense just to pass relax_domain_level's
as explicit lvalues, dropping all this attr stuff.

Adding unnecessary abstractions 'for future growth' is usually a
bad idea. It impedes current code understanding more than it aids
future code growth.

I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <> 1.940.382.4214

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