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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-18 11:06:17 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-18 11:06:17 +0200 |
| commit | b0fc24f36191468bcabc72aaea67ab7a2bb2a13e (patch) | |
| tree | bc64adf1363a447ad4582deeaa5bb36ffcf6bfcc /mm/hugetlb.c | |
| parent | 5821bf2dffbe18fe1f097dbb027415fa15a38e9a (diff) | |
| parent | 6ba59ff4227927d3a8530fc2973b80e94b54d58f (diff) | |
Merge tag 'v6.10-rc4' into usb-next
We need the USB / Thunderbolt fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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)); /* |