[PATCH] Revert "mm/memory-hotplug: fix lowmem count overflow when offline pages"

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This reverts commit cea27eb2a202959783f81254c48c250ddd80e129.

Fixed to adjust totalhigh_pages when hot-removing memory by commit
3dcc0571cd64816309765b7c7e4691a4cadf2ee7, so that commit occurs
duplicated decreasing of totalhigh_pages.

Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
---
The commit cea27eb2a202959783f81254c48c250ddd80e129 is only for stable,
is it right?

 mm/page_alloc.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b100255..2b28216 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -6274,10 +6274,6 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn)
 		list_del(&page->lru);
 		rmv_page_order(page);
 		zone->free_area[order].nr_free--;
-#ifdef CONFIG_HIGHMEM
-		if (PageHighMem(page))
-			totalhigh_pages -= 1 << order;
-#endif
 		for (i = 0; i < (1 << order); i++)
 			SetPageReserved((page+i));
 		pfn += (1 << order);
-- 
1.8.1.2

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