[PATCH v2 3/3] mm: Don't manually decrement num_poisoned_pages

From: Alastair D'Silva
Date: Wed Jun 26 2019 - 02:11:58 EST


From: Alastair D'Silva <alastair@xxxxxxxxxxx>

Use the function written to do it instead.

Signed-off-by: Alastair D'Silva <alastair@xxxxxxxxxxx>
---
mm/sparse.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/sparse.c b/mm/sparse.c
index 1ec32aef5590..d9b3625bfdf0 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>
@@ -772,7 +774,7 @@ static void clear_hwpoisoned_pages(struct page *memmap,

for (i = start; i < start + count; i++) {
if (PageHWPoison(&memmap[i])) {
- atomic_long_sub(1, &num_poisoned_pages);
+ num_poisoned_pages_dec();
ClearPageHWPoison(&memmap[i]);
}
}
--
2.21.0