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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
commitd6da35e0c6d50f76eaf11a0496d3d2ec1a1fea3f (patch)
treec757e3701fbe9dbbf35525e980bd155c244cce52 /mm/huge_memory.c
parent4419da5d5d4b1788568b7bf22c083ba2832891df (diff)
parent42226c989789d8da4af1de0c31070c96726d990c (diff)
Merge 5.18-rc7 into usb-next
We need the tty fixes in here as well, as we need to revert one of them :( Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c468fee595ff..910a138e9859 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2495,11 +2495,16 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
struct address_space *mapping = NULL;
int extra_pins, ret;
pgoff_t end;
+ bool is_hzp;
- VM_BUG_ON_PAGE(is_huge_zero_page(head), head);
VM_BUG_ON_PAGE(!PageLocked(head), head);
VM_BUG_ON_PAGE(!PageCompound(head), head);
+ is_hzp = is_huge_zero_page(head);
+ VM_WARN_ON_ONCE_PAGE(is_hzp, head);
+ if (is_hzp)
+ return -EBUSY;
+
if (PageWriteback(head))
return -EBUSY;