From 5a1b98d3096f1d780045f9be812335ad77aed93d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 6 Nov 2012 13:28:21 -0500
Subject: [PATCH] new helper: sigsp()

Normal logics for altstack handling in sigframe allocation

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Reading git-format-patch failed