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-rw-r--r--mm/memory-failure.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 342fac9ba89b..a74c8311db95 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1184,7 +1184,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
* page_remove_rmap() in try_to_unmap_one(). So to determine page status
* correctly, we save a copy of the page flags at this time.
*/
- page_flags = p->flags;
+ if (PageHuge(p))
+ page_flags = hpage->flags;
+ else
+ page_flags = p->flags;
/*
* unpoison always clear PG_hwpoison inside page lock
@@ -1489,11 +1492,16 @@ EXPORT_SYMBOL(unpoison_memory);
static struct page *new_page(struct page *p, unsigned long private, int **x)
{
int nid = page_to_nid(p);
- if (PageHuge(p))
- return alloc_huge_page_node(page_hstate(compound_head(p)),
- nid);
- else
+ if (PageHuge(p)) {
+ struct hstate *hstate = page_hstate(compound_head(p));
+
+ if (hstate_is_gigantic(hstate))
+ return alloc_huge_page_node(hstate, NUMA_NO_NODE);
+
+ return alloc_huge_page_node(hstate, nid);
+ } else {
return __alloc_pages_node(nid, GFP_HIGHUSER_MOVABLE, 0);
+ }
}
/*