linux-kernel - [PATCH 08/17] xen, mm: Set IORESOURCE_SYSTEM

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Message-Id: <1453841853-11383-9-git-send-email-bp@alien8.de>
Date:	Tue, 26 Jan 2016 21:57:24 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Banman <abanman@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Rientjes <rientjes@...gle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Gu Zheng <guz.fnst@...fujitsu.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	linux-arch@...r.kernel.org, linux-mm <linux-mm@...ck.org>,
	Mel Gorman <mgorman@...hsingularity.net>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Tang Chen <tangchen@...fujitsu.com>,
	xen-devel@...ts.xenproject.org
Subject: [PATCH 08/17] xen, mm: Set IORESOURCE_SYSTEM_RAM to System RAM

From: Toshi Kani <toshi.kani@....com>

Set IORESOURCE_SYSTEM_RAM in struct resource.flags of "System RAM"
entries.

Signed-off-by: Toshi Kani <toshi.kani@....com>
Acked-by: David Vrabel <david.vrabel@...rix.com> # xen
Cc: Andrew Banman <abanman@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: David Rientjes <rientjes@...gle.com>
Cc: David Vrabel <david.vrabel@...rix.com>
Cc: Gu Zheng <guz.fnst@...fujitsu.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: linux-arch@...r.kernel.org
Cc: linux-mm <linux-mm@...ck.org>
Cc: Mel Gorman <mgorman@...hsingularity.net>
Cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc: Tang Chen <tangchen@...fujitsu.com>
Cc: xen-devel@...ts.xenproject.org
Link: http://lkml.kernel.org/r/1452020081-26534-8-git-send-email-toshi.kani@hpe.com
Signed-off-by: Borislav Petkov <bp@...e.de>
---
 drivers/xen/balloon.c | 2 +-
 mm/memory_hotplug.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 12eab503efd1..dc4305b407bf 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -257,7 +257,7 @@ static struct resource *additional_memory_resource(phys_addr_t size)
 		return NULL;
 
 	res->name = "System RAM";
-	res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+	res->flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY;
 
 	ret = allocate_resource(&iomem_resource, res,
 				size, 0, -1,
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 4af58a3a8ffa..979b18cbd343 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -138,7 +138,7 @@ static struct resource *register_memory_resource(u64 start, u64 size)
 	res->name = "System RAM";
 	res->start = start;
 	res->end = start + size - 1;
-	res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+	res->flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY;
 	if (request_resource(&iomem_resource, res) < 0) {
 		pr_debug("System RAM resource %pR cannot be added\n", res);
 		kfree(res);
-- 
2.3.5