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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-09-11 11:51:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-09-11 11:51:26 +0200 |
| commit | ffb45b46184f54bf84d95e82df46932294b2031a (patch) | |
| tree | cc199e0ec572fb2bf65fa4eb144f0e562bb34687 /mm/hugetlb.c | |
| parent | 5eccd39d8efa3bc8d557be50f202bbf023837eed (diff) | |
| parent | a300e35c0a4b4a38fb53742ea6e2a203c98ee523 (diff) | |
| download | linux-stable-linux-rolling-stable.tar.gz linux-stable-linux-rolling-stable.zip | |
Merge v7.2.5linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 5c9c6a842c41..ca080806de17 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2002,7 +2002,8 @@ retry: if (h->surplus_huge_pages_node[folio_nid(folio)]) adjust_surplus = true; remove_hugetlb_folio(h, folio, adjust_surplus); - h->max_huge_pages--; + if (!adjust_surplus) + h->max_huge_pages--; spin_unlock_irq(&hugetlb_lock); /* @@ -2022,7 +2023,8 @@ retry: if (rc) { spin_lock_irq(&hugetlb_lock); add_hugetlb_folio(h, folio, adjust_surplus); - h->max_huge_pages++; + if (!adjust_surplus) + h->max_huge_pages++; goto out; } } else { @@ -7243,14 +7245,14 @@ void move_hugetlb_state(struct folio *old_folio, struct folio *new_folio, int re * There is no need to transfer the per-node surplus state * when we do not cross the node. */ - if (new_nid == old_nid) - return; - spin_lock_irq(&hugetlb_lock); - if (h->surplus_huge_pages_node[old_nid]) { - h->surplus_huge_pages_node[old_nid]--; - h->surplus_huge_pages_node[new_nid]++; + if (new_nid != old_nid) { + spin_lock_irq(&hugetlb_lock); + if (h->surplus_huge_pages_node[old_nid]) { + h->surplus_huge_pages_node[old_nid]--; + h->surplus_huge_pages_node[new_nid]++; + } + spin_unlock_irq(&hugetlb_lock); } - spin_unlock_irq(&hugetlb_lock); } /* |