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authorArnaldo Carvalho de Melo <acme@redhat.com>2023-02-06 09:25:56 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-02-06 09:25:56 -0300
commitab809efaeba0cca20cfcda23852b0ee958f6ea69 (patch)
tree36b168deb9908cba8605bb8fa026bdacc26560db /mm/hugetlb.c
parent17f248aa8664ff5b3643491136283e73b5c18166 (diff)
parentd2d11f342b179f1894a901f143ec7c008caba43e (diff)
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Merge remote-tracking branch 'torvalds/master' into perf/core
To sync with libbpf, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 7fcdb98c9e68..bdbfeb6fb393 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5051,6 +5051,9 @@ again:
entry = huge_pte_clear_uffd_wp(entry);
set_huge_pte_at(dst, addr, dst_pte, entry);
} else if (unlikely(is_pte_marker(entry))) {
+ /* No swap on hugetlb */
+ WARN_ON_ONCE(
+ is_swapin_error_entry(pte_to_swp_entry(entry)));
/*
* We copy the pte marker only if the dst vma has
* uffd-wp enabled.