The patch titled
Subject: mm-cma-warn-if-freed-memory-is-still-in-use-fix
has been removed from the -mm tree. Its filename was
mm-cma-warn-if-freed-memory-is-still-in-use-fix.patch
This patch was dropped because it was folded into mm-cma-warn-if-freed-memory-is-still-in-use.patch
------------------------------------------------------
From: David Rientjes <rientjes@xxxxxxxxxx>
Subject: mm-cma-warn-if-freed-memory-is-still-in-use-fix
Support sparsemem.
(And prevent "count" overflow if nr_pages cannot fit in signed type.)
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN mm/page_alloc.c~mm-cma-warn-if-freed-memory-is-still-in-use-fix mm/page_alloc.c
--- a/mm/page_alloc.c~mm-cma-warn-if-freed-memory-is-still-in-use-fix
+++ a/mm/page_alloc.c
@@ -5981,9 +5981,11 @@ done:
void free_contig_range(unsigned long pfn, unsigned nr_pages)
{
- struct page *page = pfn_to_page(pfn);
- int count = 0;
- for (; nr_pages--; page++) {
+ unsigned int count = 0;
+
+ for (; nr_pages--; pfn++) {
+ struct page *page = pfn_to_page(pfn);
+
count += page_count(page) != 1;
__free_page(page);
}
_
Patches currently in -mm which might be from rientjes@xxxxxxxxxx are
origin.patch
mm-cma-warn-if-freed-memory-is-still-in-use.patch
mm-clean-up-transparent-hugepage-sysfs-error-messages.patch
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