linux-kernel - [patch 0/4] mm: bootmem / page allocator bootstrap fixlets

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Message-Id: <1323784711-1937-1-git-send-email-hannes@cmpxchg.org>
Date:	Tue, 13 Dec 2011 14:58:27 +0100
From:	Johannes Weiner <hannes@...xchg.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [patch 0/4] mm: bootmem / page allocator bootstrap fixlets

Hi Uwe,

here is a follow-up to your bootmem micro optimizations.  3 and 4
directly relate to the discussion, 1 and 2 are cleanups I had sitting
around anyway.

Unfortunately, I can't test them as x86 kernels no longer build with
CONFIG_NO_BOOTMEM=n, but I suspect that you might have access to
non-x86 machines ;-) so if you can, please give this a spin - I don't
want this stuff to go in untested.

[ Fun fact: nobootmem.c is 400 lines of bootmem API emulation that is
  just incompatible enough that one can not switch between bootmem and
  nobootmem without touching callsites. ]

 mm/bootmem.c    |   22 ++++++++++------------
 mm/page_alloc.c |   33 ++++++++++++---------------------
 2 files changed, 22 insertions(+), 33 deletions(-)

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