From 4bd5bf8c85e6bca5be9e7c4b3d7ad1942ae323f3 Mon Sep 17 00:00:00 2001
From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 13 Mar 2015 19:27:16 +0100
Subject: [PATCH] x86/fpu: Don't allocate fpu->state for swapper/0

Now that kthreads do not use FPU until they get executed, swapper/0
doesn't need to allocate fpu->state.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pekka Riikonen <priikone@iki.fi>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Link: http://lkml.kernel.org/r/20150313182716.GB8249@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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