The patch titled
Subject: vmw_balloon-mark-inflated-pages-pg_offline-v2
has been added to the -mm tree. Its filename is
vmw_balloon-mark-inflated-pages-pg_offline-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/vmw_balloon-mark-inflated-pages-pg_offline-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/vmw_balloon-mark-inflated-pages-pg_offline-v2.patch
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------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: vmw_balloon-mark-inflated-pages-pg_offline-v2
use vmballoon_page_in_frames more widely
Link: http://lkml.kernel.org/r/20181122100627.5189-7-david@xxxxxxxxxx
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Nadav Amit <namit@xxxxxxxxxx>
Cc: Xavier Deguillard <xdeguillard@xxxxxxxxxx>
Cc: Nadav Amit <namit@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Julien Freche <jfreche@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
Cc: Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Baoquan He <bhe@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Christian Hansen <chansen3@xxxxxxxxx>
Cc: Dave Young <dyoung@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Juergen Gross <jgross@xxxxxxxx>
Cc: Kairui Song <kasong@xxxxxxxxxx>
Cc: Kazuhito Hagio <k-hagio@xxxxxxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
Cc: Len Brown <len.brown@xxxxxxxxx>
Cc: Lianbo Jiang <lijiang@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Cc: Miles Chen <miles.chen@xxxxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxx>
Cc: Pankaj gupta <pagupta@xxxxxxxxxx>
Cc: Pavel Machek <pavel@xxxxxx>
Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Cc: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/drivers/misc/vmw_balloon.c~vmw_balloon-mark-inflated-pages-pg_offline-v2
+++ a/drivers/misc/vmw_balloon.c
@@ -545,8 +545,20 @@ unsigned int vmballoon_page_order(enum v
}
/**
+ * vmballoon_page_in_frames() - returns the number of frames in a page.
+ * @page_size: the size of the page.
+ *
+ * Return: the number of 4k frames.
+ */
+static inline unsigned int
+vmballoon_page_in_frames(enum vmballoon_page_size_type page_size)
+{
+ return 1 << vmballoon_page_order(page_size);
+}
+
+/**
* vmballoon_mark_page_offline() - mark a page as offline
- * @page: pointer for the page
+ * @page: pointer for the page.
* @page_size: the size of the page.
*/
static void
@@ -555,13 +567,13 @@ vmballoon_mark_page_offline(struct page
{
int i;
- for (i = 0; i < 1ULL << vmballoon_page_order(page_size); i++)
+ for (i = 0; i < vmballoon_page_in_frames(page_size); i++)
__SetPageOffline(page + i);
}
/**
* vmballoon_mark_page_online() - mark a page as online
- * @page: pointer for the page
+ * @page: pointer for the page.
* @page_size: the size of the page.
*/
static void
@@ -570,23 +582,11 @@ vmballoon_mark_page_online(struct page *
{
int i;
- for (i = 0; i < 1ULL << vmballoon_page_order(page_size); i++)
+ for (i = 0; i < vmballoon_page_in_frames(page_size); i++)
__ClearPageOffline(page + i);
}
/**
- * vmballoon_page_in_frames() - returns the number of frames in a page.
- * @page_size: the size of the page.
- *
- * Return: the number of 4k frames.
- */
-static inline unsigned int
-vmballoon_page_in_frames(enum vmballoon_page_size_type page_size)
-{
- return 1 << vmballoon_page_order(page_size);
-}
-
-/**
* vmballoon_send_get_target() - Retrieve desired balloon size from the host.
*
* @b: pointer to the balloon.
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
mm-memory_hotplug-drop-online-parameter-from-add_memory_resource.patch
mm-balloon-update-comment-about-isolation-migration-compaction.patch
mm-convert-pg_balloon-to-pg_offline.patch
kexec-export-pg_offline-to-vmcoreinfo.patch
xen-balloon-mark-inflated-pages-pg_offline.patch
hv_balloon-mark-inflated-pages-pg_offline.patch
vmw_balloon-mark-inflated-pages-pg_offline.patch
vmw_balloon-mark-inflated-pages-pg_offline-v2.patch
pm-hibernate-use-pfn_to_online_page.patch
pm-hibernate-exclude-all-pageoffline-pages.patch
pm-hibernate-exclude-all-pageoffline-pages-v2.patch
