From: Johannes Weiner <hannes@cmpxchg.org>
To: "Andrew Morton" <akpm@linux-foundation.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: [patch 0/4] mm: bootmem / page allocator bootstrap fixlets
Date: Tue, 13 Dec 2011 14:58:27 +0100 [thread overview]
Message-ID: <1323784711-1937-1-git-send-email-hannes@cmpxchg.org> (raw)
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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next reply other threads:[~2011-12-13 13:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-13 13:58 Johannes Weiner [this message]
2011-12-13 13:58 ` [patch 1/4] mm: page_alloc: remove order assumption from __free_pages_bootmem() Johannes Weiner
2011-12-13 22:05 ` Andrew Morton
2011-12-13 13:58 ` [patch 2/4] mm: page_alloc: generalize order handling in __free_pages_bootmem() Johannes Weiner
2011-12-13 13:58 ` [patch 3/4] mm: bootmem: drop superfluous range check when freeing pages in bulk Johannes Weiner
2011-12-13 15:28 ` Uwe Kleine-König
2011-12-13 15:44 ` Johannes Weiner
2011-12-13 13:58 ` [patch 4/4] mm: bootmem: try harder to free " Johannes Weiner
2011-12-14 20:20 ` Uwe Kleine-König
2011-12-14 20:42 ` Johannes Weiner
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