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Subject[PATCH] Revert "mm/memory-hotplug: fix lowmem count overflow when offline pages"
Date
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@samsung.com>
---
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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