diff options
| author | Vlastimil Babka <vbabka@suse.cz> | 2024-02-23 21:27:17 +0300 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2024-02-26 12:10:07 +0300 |
| commit | cdeeaaba174886aa6c1ff4c0c5449c5066dbe82f (patch) | |
| tree | f52a2726dfb2a6b9a8d6e99e4b966171dd1d1c5c | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
| download | linux-cdeeaaba174886aa6c1ff4c0c5449c5066dbe82f.tar.xz | |
mm, slab: deprecate SLAB_MEM_SPREAD flag
The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was
removed. SLUB instead relies on the page allocator's NUMA policies.
Change the flag's value to 0 to free up the value it had, and mark it
for full removal once all users are gone.
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Closes: https://lore.kernel.org/all/20240131172027.10f64405@gandalf.local.home/
Reviewed-and-tested-by: Xiongwei Song <xiongwei.song@windriver.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
| -rw-r--r-- | include/linux/slab.h | 5 | ||||
| -rw-r--r-- | mm/slab.h | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index b5f5ee8308d0..b1675ff6b904 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -96,8 +96,6 @@ */ /* Defer freeing slabs to RCU */ #define SLAB_TYPESAFE_BY_RCU ((slab_flags_t __force)0x00080000U) -/* Spread some memory over cpuset */ -#define SLAB_MEM_SPREAD ((slab_flags_t __force)0x00100000U) /* Trace allocations and frees */ #define SLAB_TRACE ((slab_flags_t __force)0x00200000U) @@ -164,6 +162,9 @@ #endif #define SLAB_TEMPORARY SLAB_RECLAIM_ACCOUNT /* Objects are short-lived */ +/* Obsolete unused flag, to be removed */ +#define SLAB_MEM_SPREAD ((slab_flags_t __force)0U) + /* * ZERO_SIZE_PTR will be returned for zero sized kmalloc requests. * diff --git a/mm/slab.h b/mm/slab.h index 54deeb0428c6..f4534eefb35d 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -469,7 +469,6 @@ static inline bool is_kmalloc_cache(struct kmem_cache *s) SLAB_STORE_USER | \ SLAB_TRACE | \ SLAB_CONSISTENCY_CHECKS | \ - SLAB_MEM_SPREAD | \ SLAB_NOLEAKTRACE | \ SLAB_RECLAIM_ACCOUNT | \ SLAB_TEMPORARY | \ |