diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-08-05 18:22:55 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:55:08 -0700 |
| commit | 87479378acdd79a0ac84be0b823e37e3816433d9 (patch) | |
| tree | 24811db872d9a2f3ae884fb3a0e7e7a510f84bec | |
| parent | 4aff03fbe508780394039053bebfc4f4800b286e (diff) | |
slab: use memdesc_flags_t
The slab flags are memdesc flags and contain the same information in the
upper bits as the other memdescs (like node ID).
Link: https://lkml.kernel.org/r/20250805172307.1302730-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/slab.h | 2 | ||||
| -rw-r--r-- | mm/slub.c | 18 |
2 files changed, 10 insertions, 10 deletions
diff --git a/mm/slab.h b/mm/slab.h index 248b34c839b7..7757331e7c80 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -50,7 +50,7 @@ typedef union { /* Reuses the bits in struct page */ struct slab { - unsigned long flags; + memdesc_flags_t flags; struct kmem_cache *slab_cache; union { diff --git a/mm/slub.c b/mm/slub.c index 8dbeabc6a0f0..af343ca570b5 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -657,17 +657,17 @@ static inline unsigned int slub_get_cpu_partial(struct kmem_cache *s) */ static inline bool slab_test_pfmemalloc(const struct slab *slab) { - return test_bit(SL_pfmemalloc, &slab->flags); + return test_bit(SL_pfmemalloc, &slab->flags.f); } static inline void slab_set_pfmemalloc(struct slab *slab) { - set_bit(SL_pfmemalloc, &slab->flags); + set_bit(SL_pfmemalloc, &slab->flags.f); } static inline void __slab_clear_pfmemalloc(struct slab *slab) { - __clear_bit(SL_pfmemalloc, &slab->flags); + __clear_bit(SL_pfmemalloc, &slab->flags.f); } /* @@ -675,12 +675,12 @@ static inline void __slab_clear_pfmemalloc(struct slab *slab) */ static __always_inline void slab_lock(struct slab *slab) { - bit_spin_lock(SL_locked, &slab->flags); + bit_spin_lock(SL_locked, &slab->flags.f); } static __always_inline void slab_unlock(struct slab *slab) { - bit_spin_unlock(SL_locked, &slab->flags); + bit_spin_unlock(SL_locked, &slab->flags.f); } static inline bool @@ -1046,7 +1046,7 @@ static void print_slab_info(const struct slab *slab) { pr_err("Slab 0x%p objects=%u used=%u fp=0x%p flags=%pGp\n", slab, slab->objects, slab->inuse, slab->freelist, - &slab->flags); + &slab->flags.f); } void skip_orig_size_check(struct kmem_cache *s, const void *object) @@ -2755,17 +2755,17 @@ static void discard_slab(struct kmem_cache *s, struct slab *slab) static inline bool slab_test_node_partial(const struct slab *slab) { - return test_bit(SL_partial, &slab->flags); + return test_bit(SL_partial, &slab->flags.f); } static inline void slab_set_node_partial(struct slab *slab) { - set_bit(SL_partial, &slab->flags); + set_bit(SL_partial, &slab->flags.f); } static inline void slab_clear_node_partial(struct slab *slab) { - clear_bit(SL_partial, &slab->flags); + clear_bit(SL_partial, &slab->flags.f); } /* |