linux-kernel - [PATCH 2/5 v2] s390/setup: use memblock_first_region

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Message-Id: <1441117644-30644-1-git-send-email-kuleshovmail@gmail.com>
Date:	Tue,  1 Sep 2015 20:27:24 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, linux390@...ibm.com,
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
	Alexander Kuleshov <kuleshovmail@...il.com>
Subject: [PATCH 2/5 v2] s390/setup: use memblock_first_region_size helper

The 0a11142e commit (mm/memblock: Introduce memblock_first_region_size()
helper) introduced memblock_first_region_size() helper for the getting
size of the first memblock region. Let's use it instead of directly access
to structure.

Signed-off-by: Alexander Kuleshov <kuleshovmail@...il.com>
---
 arch/s390/kernel/setup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index ca070d2..69c3859 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -563,7 +563,7 @@ static void __init reserve_crashkernel(void)
 	if (rc || crash_size == 0)
 		return;
 
-	if (memblock.memory.regions[0].size < crash_size) {
+	if (memblock_first_region_size() < crash_size) {
 		pr_info("crashkernel reservation failed: %s\n",
 			"first memory chunk must be at least crashkernel size");
 		return;
-- 
2.5.0

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