The patch titled
Subject: mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11
has been added to the -mm tree. Its filename is
mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11.patch
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------------------------------------------------------
From: Arun KS <arunks@xxxxxxxxxxxxxx>
Subject: mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11
fix condition check in hv_ballon driver, fix check page belong to HAS in hv_ballon.c
Link: http://lkml.kernel.org/r/1547792588-18032-1-git-send-email-arunks@xxxxxxxxxxxxxx
Signed-off-by: Arun KS <arunks@xxxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Reviewed-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/hv/hv_balloon.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/hv/hv_balloon.c~mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11
+++ a/drivers/hv/hv_balloon.c
@@ -780,10 +780,11 @@ static void hv_online_page(struct page *
spin_lock_irqsave(&dm_device.ha_lock, flags);
list_for_each_entry(has, &dm_device.ha_region_list, list) {
/* The page belongs to a different HAS. */
- if ((pfn < has->start_pfn) || (pfn >= has->end_pfn))
+ if ((pfn < has->start_pfn) ||
+ (pfn + (1UL << order) > has->end_pfn))
continue;
- hv_bring_pgs_online(has, pfn, (1UL << order));
+ hv_bring_pgs_online(has, pfn, 1UL << order);
break;
}
spin_unlock_irqrestore(&dm_device.ha_lock, flags);
_
Patches currently in -mm which might be from arunks@xxxxxxxxxxxxxx are
memory_hotplug-free-pages-as-higher-order.patch
mm-page_allocc-memory_hotplug-free-pages-as-higher-order-v11.patch
