linux-kernel - RE: [RFC PATCH] ia64: convert to dynamic percpu allocator

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Message-ID: <A6AD88C3F2289247BE726C37303E1EB8B097D4C5@orsmsx505.amr.corp.intel.com>
Date:	Tue, 21 Jul 2009 11:17:20 -0700
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	'Tejun Heo' <tj@...nel.org>, "Luck, Tony" <tony.luck@...el.com>,
	'lkml' <linux-kernel@...r.kernel.org>,
	"'linux-arch@...r.kernel.org'" <linux-arch@...r.kernel.org>,
	"'linux-ia64@...r.kernel.org'" <linux-ia64@...r.kernel.org>
Subject: RE: [RFC PATCH] ia64: convert to dynamic percpu allocator

>
>As allocation and initialization are done by the arch code, all that
>setup_per_cpu_areas() needs to do is communicating the determined
>layout to the percpu allocator.  This patch implements
>setup_per_cpu_areas() for both contig and discontig memory models and
>drops HAVE_LEGACY_PER_CPU_AREA.
>
>NOT_SIGNED_OFF_YET
>Cc: Tony Luck <tony.luck@...el.com>
>Cc: Fenghua Yu <fenghua.yu@...el.com>
>---
>I don't have access to an ia64 machine so I could only test with ski.
>With sim_defconfig, it boots but I didn't have any userland.
>discontig configuration builds fine but I couldn't test it.
>
>Can you guys please verify this patch?
>
>This patch is available in the following git tree.
>
>  git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git review-ia64
>
>Thanks.
>

Is this patch against the latest linux-next? It's applied cleanly on linux-next. But compilation reports undefined function pcpu_alloc_alloc_info() in both contig.c and discontig.c.

arch/ia64/mm/contig.c: In function 'setup_per_cpu_areas':
arch/ia64/mm/contig.c:208: error: implicit declaration of function 'pcpu_alloc_al
loc_info'
arch/ia64/mm/contig.c:208: warning: assignment makes pointer from integer without
 a cast
arch/ia64/mm/contig.c:211: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:225: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:226: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:227: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:228: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:229: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:230: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:236: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:237: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:237: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:238: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:239: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:240: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:244: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:244: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:245: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:246: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:247: error: dereferencing pointer to incomplete type
arch/ia64/mm/contig.c:250: warning: passing argument 1 of 'pcpu_setup_first_chunk
' makes integer from pointer without a cast
arch/ia64/mm/contig.c:250: warning: passing argument 2 of 'pcpu_setup_first_chunk
' makes integer from pointer without a cast
arch/ia64/mm/contig.c:250: error: too few arguments to function 'pcpu_setup_first
_chunk'
arch/ia64/mm/contig.c:254: error: implicit declaration of function 'pcpu_free_all
oc_info'
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