From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Tue, 10 May 2005 13:23:01 +0000 (+0100)
Subject: [PATCH] ARM: Move copy/clear user_page locking into implementation
X-Git-Tag: v2.6.12-rc5~177^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2bab05ac1f9a2f5ddcd2f3256237e5c47fc127f;p=pandora-kernel.git

[PATCH] ARM: Move copy/clear user_page locking into implementation

Move the locking for copy_user_page() and clear_user_page() into
the implementations which require locking.  For simple memcpy/
memset based implementations, the locking is extra overhead which
is not necessary, and prevents preemption occuring.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>
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