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| author | Xiongwei Song <xiongwei.song@windriver.com> | 2023-12-15 11:41:50 +0800 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2024-01-22 10:31:08 +0100 |
| commit | 98d3b6d98f8013d4e96f40d8d4b22d4da0d3f699 (patch) | |
| tree | c6a6b6377bdfad0718aba9b969809edd65947886 /Documentation/mm | |
| parent | cb109a9d607056915d6a0dc8e1ebfc5854c72d92 (diff) | |
mm/slub: make the description of slab_min_objects helpful in doc
There is no a value assigned to slab_min_objects by default, it always
is 0 that is initialized by compiler if no assigned value by command line.
min_objects is calculated based on processor numbers in calculate_order().
For more details, see commit 9b2cd506e5f2 ("slub: Calculate min_objects
based on number of processors.")
Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'Documentation/mm')
| -rw-r--r-- | Documentation/mm/slub.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst index 6579a55b7852..b517ee28a955 100644 --- a/Documentation/mm/slub.rst +++ b/Documentation/mm/slub.rst @@ -150,7 +150,7 @@ list_lock once in a while to deal with partial slabs. That overhead is governed by the order of the allocation for each slab. The allocations can be influenced by kernel parameters: -.. slab_min_objects=x (default 4) +.. slab_min_objects=x (default: automatically scaled by number of cpus) .. slab_min_order=x (default 0) .. slab_max_order=x (default 3 (PAGE_ALLOC_COSTLY_ORDER)) |