From: Barry Song <v-songbaohua@xxxxxxxx> If we continue using PAGE_SIZE as the estimated_src_size, we won't benefit from the reduced CPU usage and improved compression ratio brought by larger block compression. Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx> --- drivers/block/zram/backend_zstd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/block/zram/backend_zstd.c b/drivers/block/zram/backend_zstd.c index 1184c0036f44..e126615eeff2 100644 --- a/drivers/block/zram/backend_zstd.c +++ b/drivers/block/zram/backend_zstd.c @@ -70,12 +70,12 @@ static int zstd_setup_params(struct zcomp_params *params) if (params->level == ZCOMP_PARAM_NO_LEVEL) params->level = zstd_default_clevel(); - zp->cprm = zstd_get_params(params->level, PAGE_SIZE); + zp->cprm = zstd_get_params(params->level, ZCOMP_MULTI_PAGES_SIZE); zp->custom_mem.customAlloc = zstd_custom_alloc; zp->custom_mem.customFree = zstd_custom_free; - prm = zstd_get_cparams(params->level, PAGE_SIZE, + prm = zstd_get_cparams(params->level, ZCOMP_MULTI_PAGES_SIZE, params->dict_sz); zp->cdict = zstd_create_cdict_byreference(params->dict, @@ -137,7 +137,7 @@ static int zstd_create(struct zcomp_params *params, struct zcomp_ctx *ctx) ctx->context = zctx; if (params->dict_sz == 0) { - prm = zstd_get_params(params->level, PAGE_SIZE); + prm = zstd_get_params(params->level, ZCOMP_MULTI_PAGES_SIZE); sz = zstd_cctx_workspace_bound(&prm.cParams); zctx->cctx_mem = vzalloc(sz); if (!zctx->cctx_mem) -- 2.39.3 (Apple Git-146)