linux-kernel - [PATCH] PERCPU : __percpu_alloc_mask() can dynamically size percpu

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Message-ID: <473E168A.9060305@cosmosbay.com>
Date:	Fri, 16 Nov 2007 23:15:38 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>
CC:	Linux kernel <linux-kernel@...r.kernel.org>,
	Christoph Lameter <clameter@....com>
Subject: [PATCH] PERCPU : __percpu_alloc_mask() can dynamically size percpu_data
 storage

Instead of allocating a fix sized array of NR_CPUS pointers for percpu_data, 
we can use nr_cpu_ids, which is generally < NR_CPUS.

Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

  include/linux/percpu.h |    2 +-
  mm/allocpercpu.c       |    2 +-
  2 files changed, 2 insertions(+), 2 deletions(-)


View attachment "percpu_data.patch" of type "text/plain" (786 bytes)