[PATCH 08/17] xen, mm: Set IORESOURCE_SYSTEM_RAM to System RAM

From: Borislav Petkov
Date: Tue Jan 26 2016 - 16:03:21 EST


From: Toshi Kani <toshi.kani@xxxxxxx>

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

Signed-off-by: Toshi Kani <toshi.kani@xxxxxxx>
Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx> # xen
Cc: Andrew Banman <abanman@xxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
Cc: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: linux-arch@xxxxxxxxxxxxxxx
Cc: linux-mm <linux-mm@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1452020081-26534-8-git-send-email-toshi.kani@xxxxxxx
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
---
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