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| author | Paolo Bonzini <pbonzini@redhat.com> | 2024-07-12 11:24:12 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-07-12 11:24:12 -0400 |
| commit | c8b8b8190a80b591aa73c27c70a668799f8db547 (patch) | |
| tree | 9d948c9aac89678abe64ac81f6c43348bf4b2091 /include/linux/pagemap.h | |
| parent | f0a23883fad4ec8a63faddb9639a92be2e007624 (diff) | |
| parent | 492ac37fa38faf520b5beae44c930063265ee183 (diff) | |
| download | linux-c8b8b8190a80b591aa73c27c70a668799f8db547.tar.gz linux-c8b8b8190a80b591aa73c27c70a668799f8db547.tar.bz2 linux-c8b8b8190a80b591aa73c27c70a668799f8db547.zip | |
Merge tag 'loongarch-kvm-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.11
1. Add ParaVirt steal time support.
2. Add some VM migration enhancement.
3. Add perf kvm-stat support for loongarch.
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index e05585eda771..9e2c3fe2ecbe 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -382,6 +382,10 @@ static inline void mapping_set_large_folios(struct address_space *mapping) */ static inline bool mapping_large_folio_support(struct address_space *mapping) { + /* AS_LARGE_FOLIO_SUPPORT is only reasonable for pagecache folios */ + VM_WARN_ONCE((unsigned long)mapping & PAGE_MAPPING_ANON, + "Anonymous mapping always supports large folio"); + return IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && test_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags); } |