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Message-Id: <20190827053656.32191-2-alastair@au1.ibm.com>
Date: Tue, 27 Aug 2019 15:36:54 +1000
From: "Alastair D'Silva" <alastair@....ibm.com>
To: alastair@...ilva.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Oscar Salvador <osalvador@...e.de>,
Michal Hocko <mhocko@...e.com>,
Dan Williams <dan.j.williams@...el.com>,
Mike Rapoport <rppt@...ux.ibm.com>,
David Hildenbrand <david@...hat.com>,
Wei Yang <richardw.yang@...ux.intel.com>,
Qian Cai <cai@....pw>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] mm: Don't manually decrement num_poisoned_pages
From: Alastair D'Silva <alastair@...ilva.org>
Use the function written to do it instead.
Signed-off-by: Alastair D'Silva <alastair@...ilva.org>
---
mm/sparse.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/sparse.c b/mm/sparse.c
index 72f010d9bff5..e41917a7e844 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -11,6 +11,8 @@
#include <linux/export.h>
#include <linux/spinlock.h>
#include <linux/vmalloc.h>
+#include <linux/swap.h>
+#include <linux/swapops.h>
#include "internal.h"
#include <asm/dma.h>
@@ -898,7 +900,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages)
for (i = 0; i < nr_pages; i++) {
if (PageHWPoison(&memmap[i])) {
- atomic_long_sub(1, &num_poisoned_pages);
+ num_poisoned_pages_dec();
ClearPageHWPoison(&memmap[i]);
}
}
--
2.21.0
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