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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2023-12-22 18:05:07 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-12-22 18:05:07 -0500 |
| commit | ef5b28372c565128bdce7a59bc78402a8ce68e1b (patch) | |
| tree | 77f549fcf73f8400a34e7a5d51548fafd1533644 /mm/hugetlb.c | |
| parent | Merge tag 'kvmarm-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master (diff) | |
| parent | RISCV: KVM: update external interrupt atomically for IMSIC swfile (diff) | |
| download | linux-rng-ef5b28372c565128bdce7a59bc78402a8ce68e1b.tar.xz linux-rng-ef5b28372c565128bdce7a59bc78402a8ce68e1b.zip | |
Merge tag 'kvm-riscv-fixes-6.7-1' of https://github.com/kvm-riscv/linux into kvm-master
KVM/riscv fixes for 6.7, take #1
- Fix a race condition in updating external interrupt for
trap-n-emulated IMSIC swfile
- Fix print_reg defaults in get-reg-list selftest
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 1169ef2f2176..6feb3e0630d1 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1182,6 +1182,13 @@ static int is_vma_resv_set(struct vm_area_struct *vma, unsigned long flag) return (get_vma_private_data(vma) & flag) != 0; } +bool __vma_private_lock(struct vm_area_struct *vma) +{ + return !(vma->vm_flags & VM_MAYSHARE) && + get_vma_private_data(vma) & ~HPAGE_RESV_MASK && + is_vma_resv_set(vma, HPAGE_RESV_OWNER); +} + void hugetlb_dup_vma_private(struct vm_area_struct *vma) { VM_BUG_ON_VMA(!is_vm_hugetlb_page(vma), vma); |