slab: remove the do_slab_free() fastpath

Browse source

We have removed cpu slab usage from allocation paths. Now remove
do_slab_free() which was freeing objects to the cpu slab when
the object belonged to it. Instead call __slab_free() directly,
which was previously the fallback.

This simplifies kfree_nolock() - when freeing to percpu sheaf
fails, we can call defer_free() directly.

Also remove functions that became unused.

Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Reviewed-by: Hao Li <hao.li@linux.dev>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

...

This commit is contained in:

Vlastimil Babka 2026-01-23 07:52:51 +01:00

parent e323b52cf0

commit bdc9282f78

1 changed files with 13 additions and 136 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

149

mm/slub.c

View file