The patch titled
Subject: mm/sparse.c: don't manually decrement num_poisoned_pages
has been added to the -mm tree. Its filename is
mm-dont-manually-decrement-num_poisoned_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dont-manually-decrement-num_poisoned_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dont-manually-decrement-num_poisoned_pages.patch
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------------------------------------------------------
From: Alastair D'Silva <alastair@xxxxxxxxxxx>
Subject: mm/sparse.c: don't manually decrement num_poisoned_pages
Use the function written to do it instead.
Link: http://lkml.kernel.org/r/20190827053656.32191-2-alastair@xxxxxxxxxxx
Signed-off-by: Alastair D'Silva <alastair@xxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Reviewed-by: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/sparse.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/mm/sparse.c~mm-dont-manually-decrement-num_poisoned_pages
+++ a/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>
@@ -908,7 +910,7 @@ static void clear_hwpoisoned_pages(struc
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]);
}
}
_
Patches currently in -mm which might be from alastair@xxxxxxxxxxx are
mm-dont-manually-decrement-num_poisoned_pages.patch
