diff options
| author | Ackerley Tng <ackerleytng@google.com> | 2026-01-29 09:26:46 -0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-03-02 14:51:10 -0800 |
| commit | 6dad5447c7bfca26b5d72604b5378dca6dc58bbc (patch) | |
| tree | 86b057948b0d63f57bb0d9a9c513d48f7a0e1a30 /virt | |
| parent | 11439c4635edd669ae435eec308f4ab8a0804808 (diff) | |
KVM: guest_memfd: Don't set FGP_ACCESSED when getting folios
guest_memfd folios don't care about accessed flags since the memory is
unevictable and there is no storage to write back to, hence, cleanup the
allocation path by not setting FGP_ACCESSED.
Signed-off-by: Ackerley Tng <ackerleytng@google.com>
[sean: split to separate patch]
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: David Hildenbrand (arm) <david@kernel.org>
Link: https://patch.msgid.link/20260129172646.2361462-1-ackerleytng@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/guest_memfd.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c index 017d84a7adf3..462c5c5cb602 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -126,14 +126,13 @@ static struct folio *kvm_gmem_get_folio(struct inode *inode, pgoff_t index) * Fast-path: See if folio is already present in mapping to avoid * policy_lookup. */ - folio = __filemap_get_folio(inode->i_mapping, index, - FGP_LOCK | FGP_ACCESSED, 0); + folio = filemap_lock_folio(inode->i_mapping, index); if (!IS_ERR(folio)) return folio; policy = mpol_shared_policy_lookup(&GMEM_I(inode)->policy, index); folio = __filemap_get_folio_mpol(inode->i_mapping, index, - FGP_LOCK | FGP_ACCESSED | FGP_CREAT, + FGP_LOCK | FGP_CREAT, mapping_gfp_mask(inode->i_mapping), policy); mpol_cond_put(policy); |