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Subject[PATCH] mm/memory_hotplug: fix kfree() of bootmem memory
Date
We can't use kfree() to release the resource as it might come from bootmem.
Use release_mem_region() instead.

Fixes: ebff7d8f270d ("mem hotunplug: fix kfree() of bootmem memory")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/memory_hotplug.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 7dc7e12302db..dc570772b4b1 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -216,8 +216,7 @@ static void release_memory_resource(struct resource *res)
{
if (!res)
return;
- release_resource(res);
- kfree(res);
+ release_mem_region(res->start, resource_size(res));
}

static int check_pfn_span(unsigned long pfn, unsigned long nr_pages,
--
2.23.0
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