[merged] mm-page_owner-add-zone-range-overlapping-check.patch removed from -mm tree

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The patch titled
     Subject: mm/page_owner: add zone range overlapping check
has been removed from the -mm tree.  Its filename was
     mm-page_owner-add-zone-range-overlapping-check.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/page_owner: add zone range overlapping check

There is a system thats node's pfns are overlapped as follows:

-----pfn-------->
N0 N1 N2 N0 N1 N2

Therefore, we need to care this overlapping when iterating pfn range.

There are one place in page_owner.c that iterates pfn range and
it doesn't consider this overlapping. Add it.

Without this patch, above system could over count early allocated
page number before page_owner is activated.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/page_owner.c |    3 +++
 1 file changed, 3 insertions(+)

diff -puN mm/page_owner.c~mm-page_owner-add-zone-range-overlapping-check mm/page_owner.c
--- a/mm/page_owner.c~mm-page_owner-add-zone-range-overlapping-check
+++ a/mm/page_owner.c
@@ -301,6 +301,9 @@ static void init_pages_in_zone(pg_data_t
 
 			page = pfn_to_page(pfn);
 
+			if (page_zone(page) != zone)
+				continue;
+
 			/*
 			 * We are safe to check buddy flag and order, because
 			 * this is init stage and only single thread runs.
_

Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are


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