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| author |   Vlastimil Babka <vbabka@suse.cz> | 2024-02-23 19:27:17 +0100 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2024-02-26 10:10:07 +0100 |
| commit | cdeeaaba174886aa6c1ff4c0c5449c5066dbe82f (patch) | |
| tree | f52a2726dfb2a6b9a8d6e99e4b966171dd1d1c5c /include/linux/slab.h | |
| parent | Linux 6.8-rc1 (diff) | |
| download | wireguard-linux-cdeeaaba174886aa6c1ff4c0c5449c5066dbe82f.tar.xz wireguard-linux-cdeeaaba174886aa6c1ff4c0c5449c5066dbe82f.zip | |
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>
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 5 |
1 files changed, 3 insertions, 2 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. * |