December 10, 2025 at 6:56 PM, "Johannes Weiner" <hannes@cmpxchg.org mailto:hannes@cmpxchg.org?to=%22Johannes%20Weiner%22%20%3Channes%40cmpxchg.org%3E > wrote:


> 
> This hasn't been used since 7d4c9629b74f ("mm: zswap: use object
> read/write APIs instead of object mapping APIs"). Drop it.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> 
Acked-by: Yosry Ahmed <yosry.ahmed@linux.dev mailto:yosry.ahmed@linux.dev >
---
 mm/zswap.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 5d0f8b13a958..84797ed4d3f5 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -141,7 +141,6 @@ struct crypto_acomp_ctx {
 struct crypto_wait wait;
 u8 *buffer;
 struct mutex mutex;
- bool is_sleepable;
 };
 
 /*
@@ -781,7 +780,6 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
 
 acomp_ctx->buffer = buffer;
 acomp_ctx->acomp = acomp;
- acomp_ctx->is_sleepable = acomp_is_async(acomp);
 acomp_ctx->req = req;
 mutex_unlock(&acomp_ctx->mutex);
 return 0;
-- 
2.52.0