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[Qemu-devel] [PATCH v2 repost 3/7] mm: add a function to get the max pfn
From: |
Liang Li |
Subject: |
[Qemu-devel] [PATCH v2 repost 3/7] mm: add a function to get the max pfn |
Date: |
Wed, 27 Jul 2016 09:23:32 +0800 |
Expose the function to get the max pfn, so it can be used in the
virtio-balloon device driver.
Signed-off-by: Liang Li <address@hidden>
Cc: Andrew Morton <address@hidden>
Cc: Vlastimil Babka <address@hidden>
Cc: Mel Gorman <address@hidden>
Cc: Michael S. Tsirkin <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Cornelia Huck <address@hidden>
Cc: Amit Shah <address@hidden>
---
mm/page_alloc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8b3e134..7da61ad 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4517,6 +4517,12 @@ void show_free_areas(unsigned int filter)
show_swap_cache_info();
}
+unsigned long get_max_pfn(void)
+{
+ return max_pfn;
+}
+EXPORT_SYMBOL(get_max_pfn);
+
static void zoneref_set_zone(struct zone *zone, struct zoneref *zoneref)
{
zoneref->zone = zone;
--
1.9.1
- [Qemu-devel] [PATCH v2 repost 0/7] Extend virtio-balloon for fast (de)inflating & fast live migration, Liang Li, 2016/07/26
- [Qemu-devel] [PATCH v2 repost 3/7] mm: add a function to get the max pfn,
Liang Li <=
- [Qemu-devel] [PATCH v2 repost 2/7] virtio-balloon: define new feature bit and page bitmap head, Liang Li, 2016/07/26
- [Qemu-devel] [PATCH v2 repost 1/7] virtio-balloon: rework deflate to add page to a list, Liang Li, 2016/07/26
- [Qemu-devel] [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Liang Li, 2016/07/26
- Re: [Qemu-devel] [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Dave Hansen, 2016/07/27
- Re: [Qemu-devel] [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Michael S. Tsirkin, 2016/07/27
- Re: [Qemu-devel] [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Li, Liang Z, 2016/07/27
- Re: [Qemu-devel] [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Michael S. Tsirkin, 2016/07/28
- Re: [Qemu-devel] [virtio-dev] Re: [PATCH v2 repost 4/7] virtio-balloon: speed up inflate/deflate process, Li, Liang Z, 2016/07/28