Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'kvm-x86-gmem-7.1' of https://github.com/kvm-x86/linux into HEAD
KVM guest_memfd changes for 7.1
Don't mark guest_memfd folios as accessed, as guest_memfd doesn't support
reclaim, the memory is unevictable, and there is no storage to write back to.
+2
-3
+2
-3
virt/kvm/guest_memfd.c
+2
-3
virt/kvm/guest_memfd.c
···
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* Fast-path: See if folio is already present in mapping to avoid
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* policy_lookup.
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*/
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-
folio = __filemap_get_folio(inode->i_mapping, index,
130
-
FGP_LOCK | FGP_ACCESSED, 0);
129
+
folio = filemap_lock_folio(inode->i_mapping, index);
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if (!IS_ERR(folio))
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return folio;
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policy = mpol_shared_policy_lookup(&GMEM_I(inode)->policy, index);
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folio = __filemap_get_folio_mpol(inode->i_mapping, index,
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-
FGP_LOCK | FGP_ACCESSED | FGP_CREAT,
135
+
FGP_LOCK | FGP_CREAT,
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mapping_gfp_mask(inode->i_mapping), policy);
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mpol_cond_put(policy);
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