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| author | Alexei Starovoitov <ast@kernel.org> | 2025-09-08 18:00:06 -0700 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2025-09-29 09:42:36 +0200 |
| commit | 7612833192d56af86061de8ab51989b75daf5b0d (patch) | |
| tree | 530bd3ff55eddd118db3c0eeafdd37f3e71591bf /rust/kernel/lib.rs | |
| parent | 83382af9ddc3cb0ef43f67d049b461720ad785e6 (diff) | |
slab: Reuse first bit for OBJEXTS_ALLOC_FAIL
Since the combination of valid upper bits in slab->obj_exts with
OBJEXTS_ALLOC_FAIL bit can never happen,
use OBJEXTS_ALLOC_FAIL == (1ull << 0) as a magic sentinel
instead of (1ull << 2) to free up bit 2.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'rust/kernel/lib.rs')
0 files changed, 0 insertions, 0 deletions