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| author | Andrew Morton <akpm@linux-foundation.org> | 2024-07-06 21:44:41 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-06 21:44:41 +0300 |
| commit | 8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636 (patch) | |
| tree | b119eaeb76c7afb8672d30078ab7061cb7be67fb /include/linux/pagemap.h | |
| parent | 44195d1eba826a8af0afbcfa69ab4cc26f6ead7f (diff) | |
| parent | 1e3d28fe03cdac1f58402e4da1e1e59fb70d145f (diff) | |
| download | linux-8ef6fd0e9ea83a792ba53882ddc6e0d38ce0d636.tar.xz | |
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up "mm: fix
crashes from deferred split racing folio migration", needed by "mm:
migrate: split folio_migrate_mapping()".
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index eef99375dcf1..6e2f72d03176 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -354,11 +354,18 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask) * a good order (that's 1MB if you're using 4kB pages) */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE -#define MAX_PAGECACHE_ORDER HPAGE_PMD_ORDER +#define PREFERRED_MAX_PAGECACHE_ORDER HPAGE_PMD_ORDER #else -#define MAX_PAGECACHE_ORDER 8 +#define PREFERRED_MAX_PAGECACHE_ORDER 8 #endif +/* + * xas_split_alloc() does not support arbitrary orders. This implies no + * 512MB THP on ARM64 with 64KB base page size. + */ +#define MAX_XAS_ORDER (XA_CHUNK_SHIFT * 2 - 1) +#define MAX_PAGECACHE_ORDER min(MAX_XAS_ORDER, PREFERRED_MAX_PAGECACHE_ORDER) + /** * mapping_set_large_folios() - Indicate the file supports large folios. * @mapping: The file. |