linux-kernel - [PATCH 02/20] percpu: improve boot messages

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Date:	Tue, 21 Jul 2009 19:26:01 +0900
From:	Tejun Heo <tj@...nel.org>
To:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	mingo@...hat.com, benh@...nel.crashing.org, davem@...emloft.net,
	dhowells@...hat.com, npiggin@...e.de, JBeulich@...ell.com,
	cl@...ux-foundation.org, rusty@...tcorp.com.au, hpa@...or.com,
	tglx@...utronix.de, akpm@...ux-foundation.org, x86@...nel.org,
	andi@...stfloor.org
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 02/20] percpu: improve boot messages

Improve percpu boot messages such that they're uniform and contain
more information.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 mm/percpu.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/mm/percpu.c b/mm/percpu.c
index c44a5b2..80317dc 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1488,8 +1488,9 @@ ssize_t __init pcpu_embed_first_chunk(size_t static_size, size_t reserved_size,
 	}
 
 	/* we're ready, commit */
-	pr_info("PERCPU: Embedded %zu pages at %p, static data %zu bytes\n",
-		size_sum >> PAGE_SHIFT, base, static_size);
+	pr_info("PERCPU: Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu\n",
+		PFN_DOWN(size_sum), base, static_size, reserved_size, dyn_size,
+		unit_size);
 
 	return pcpu_setup_first_chunk(static_size, reserved_size, dyn_size,
 				      unit_size, base, NULL);
@@ -1579,8 +1580,8 @@ ssize_t __init pcpu_4k_first_chunk(size_t static_size, size_t reserved_size,
 	}
 
 	/* we're ready, commit */
-	pr_info("PERCPU: %d 4k pages per cpu, static data %zu bytes\n",
-		unit_pages, static_size);
+	pr_info("PERCPU: %d 4k pages/cpu @%p s%zu r%zu\n",
+		unit_pages, vm.addr, static_size, reserved_size);
 
 	ret = pcpu_setup_first_chunk(static_size, reserved_size, -1,
 				     unit_pages << PAGE_SHIFT, vm.addr, NULL);
@@ -1898,8 +1899,8 @@ ssize_t __init pcpu_lpage_first_chunk(size_t static_size, size_t reserved_size,
 		       static_size);
 
 	/* we're ready, commit */
-	pr_info("PERCPU: Remapped at %p with large pages, static data "
-		"%zu bytes\n", vm.addr, static_size);
+	pr_info("PERCPU: large pages @%p s%zu r%zu d%zu u%zu\n",
+		vm.addr, static_size, reserved_size, dyn_size, unit_size);
 
 	ret = pcpu_setup_first_chunk(static_size, reserved_size, dyn_size,
 				     unit_size, vm.addr, unit_map);
-- 
1.6.0.2

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