diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-06-13 13:13:38 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-06-13 13:13:46 -0700 |
| commit | 4c7d3d79c736186bb2585f2d0a8231e1fac839da (patch) | |
| tree | 5abd973d57d360e24c9df2f17e942176ab2faaa5 /mm/hugetlb.c | |
| parent | 3ec8d7572a69d142d49f52b28ce8d84e5fef9131 (diff) | |
| parent | d20f6b3d747c36889b7ce75ee369182af3decb6b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts, no adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 6be78e7d4f6e..f35abff8be60 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5768,8 +5768,20 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, * do_exit() will not see it, and will keep the reservation * forever. */ - if (adjust_reservation && vma_needs_reservation(h, vma, address)) - vma_add_reservation(h, vma, address); + if (adjust_reservation) { + int rc = vma_needs_reservation(h, vma, address); + + if (rc < 0) + /* Pressumably allocate_file_region_entries failed + * to allocate a file_region struct. Clear + * hugetlb_restore_reserve so that global reserve + * count will not be incremented by free_huge_folio. + * Act as if we consumed the reservation. + */ + folio_clear_hugetlb_restore_reserve(page_folio(page)); + else if (rc) + vma_add_reservation(h, vma, address); + } tlb_remove_page_size(tlb, page, huge_page_size(h)); /* |