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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-02 19:30:09 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-02 19:30:09 +0200
commit99097a214b0c15f7595ac8f2788662f3941c1992 (patch)
tree9e496a96ea36ccd9e97509878fadeecd671e28aa /mm/page_alloc.c
parentd4e34999a7571e0a8d43cec6a0f13ecf40d3b1e8 (diff)
parent089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff)
Merge 5.3-rc7 into char-misc-next
We need the fixes in here as well for testing and merges Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 272c6de1bf4e..9c9194959271 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2238,27 +2238,12 @@ static int move_freepages(struct zone *zone,
unsigned int order;
int pages_moved = 0;
-#ifndef CONFIG_HOLES_IN_ZONE
- /*
- * page_zone is not safe to call in this context when
- * CONFIG_HOLES_IN_ZONE is set. This bug check is probably redundant
- * anyway as we check zone boundaries in move_freepages_block().
- * Remove at a later date when no bug reports exist related to
- * grouping pages by mobility
- */
- VM_BUG_ON(pfn_valid(page_to_pfn(start_page)) &&
- pfn_valid(page_to_pfn(end_page)) &&
- page_zone(start_page) != page_zone(end_page));
-#endif
for (page = start_page; page <= end_page;) {
if (!pfn_valid_within(page_to_pfn(page))) {
page++;
continue;
}
- /* Make sure we are not inadvertently changing nodes */
- VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page);
-
if (!PageBuddy(page)) {
/*
* We assume that pages that could be isolated for
@@ -2273,6 +2258,10 @@ static int move_freepages(struct zone *zone,
continue;
}
+ /* Make sure we are not inadvertently changing nodes */
+ VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page);
+ VM_BUG_ON_PAGE(page_zone(page) != zone, page);
+
order = page_order(page);
move_to_free_area(page, &zone->free_area[order], migratetype);
page += 1 << order;