From: Ken Chen <kenneth.w.chen@intel.com>
Date: Sun, 1 May 2005 15:59:15 +0000 (-0700)
Subject: [PATCH] aio: ring wrapping simplification
X-Git-Tag: v2.6.12-rc4~136^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bf69b2a06090c01c27f25ea5cd1440f7bf9256f;p=pandora-kernel.git

[PATCH] aio: ring wrapping simplification

Since the tail pointer in aio_ring structure never wrap ring size more than
once, so a simple compare is sufficient to wrap the index around.  This avoid
a more expensive mod operation.

Signed-off-by: Ken Chen <kenneth.w.chen@intel.com>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Suparna Bhattacharya <suparna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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