From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Date: Tue, 6 Sep 2005 22:16:48 +0000 (-0700)
Subject: [PATCH] radix_tag_get(): differentiate between no present node and tag unset cases
X-Git-Tag: v2.6.14-rc1~719
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32605a18152b246df483fadc1c23854addde8755;p=pandora-kernel.git

[PATCH] radix_tag_get(): differentiate between no present node and tag unset cases

Simple patch to radix_tree_tag_get() to return different values for non
present node and tag unset.

The function is not used by any in-kernel callers (yet), but this
information is definitely useful.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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