From: Tejun Heo <tj@kernel.org>
Date: Tue, 10 Mar 2009 07:27:48 +0000 (+0900)
Subject: percpu: more flexibility for @dyn_size of pcpu_setup_first_chunk()
X-Git-Tag: v2.6.30-rc1~639^2~1^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6074d5b0a319fe8400ff079a3c289406ca024321;p=pandora-kernel.git

percpu: more flexibility for @dyn_size of pcpu_setup_first_chunk()

Impact: cleanup, more flexibility for first chunk init

Non-negative @dyn_size used to be allowed iff @unit_size wasn't auto.
This restriction stemmed from implementation detail and made things a
bit less intuitive.  This patch allows @dyn_size to be specified
regardless of @unit_size and swaps the positions of @dyn_size and
@unit_size so that the parameter order makes more sense (static,
reserved and dyn sizes followed by enclosing unit_size).

While at it, add @unit_size >= PCPU_MIN_UNIT_SIZE sanity check.

Signed-off-by: Tejun Heo <tj@kernel.org>
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