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Howlett" , Vlastimil Babka , Harry Yoo , Hao Li , Tamir Duberstein , Boqun Feng , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Harry Yoo Cc: Daniel Gomez , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andreas Hindborg , "Matthew Wilcox (Oracle)" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1241; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=BhCLKxRMqF4V+mE7gy9xjhXHgxHe6HNf41/h4Z3bGDc=; b=kA0DAAoB+lApCKrFvdAByyZiAGoh2PKiOBQrTuWb4+c//hzTix9gM8yNN9SYEMxv0B6vxjLml 4kCMwQAAQoAHRYhBFeK2cjZZnYmKsBqhvpQKQiqxb3QBQJqIdjyAAoJEPpQKQiqxb3Qbq0P/jVv ytNdtugJpYOvBMGd1/YyL95/92eWNJhenjaWD1s1c0k4gvnjG7MsQU66xf/lWXcu++IXGQOkSqx NU+8laAbYXgJ9wN62QfkdW8g08qC/0aduBghYfnV6wkNkH2TAeb+plHFV3GehmBmt5ah3diPeSd q8/UWaLDuC6dFp/gK0VpFU4Jx5nq/I18kDluysSCN2SVcm0YYMEee4taiZaClYxtYt9nmS/9fjz pm0KexPuArJ4IHr0LUsEX7m5k+JCUG9v5jFyWHbg97msdx4K9q7/8l/06Ru1TrMFJB31+FGgYFX PiQny9SX83eY87vZ2QFPBZoflNlDll8SIEVX0fD3AKwXL8IkIK7GeyvG2pGgs2Tb37siozoMGJs BL1TLFNii7SWJoNjTxQcrVb+hIi1ri4hAibMvDE3DCV05yVhiEGX2sQIQnFPEEAoUlH6K2ueN6b idJJycJ6yaueCdo5sT7p0hyuIk5m2MJprCBbkbviOogzBeBdhlc3FyovogAtHhd1eS4XMtEsg6+ NdE5CmDY8wrOrdGdIheNX9d88Utv3GLICqXBLW5kKukdbGuLnXFDjds6oeWEJnBsPr2BfZ+Pj2c 7f/YdnKxZaIpg5SIR+wVwdSoXlrLhifSSTWTd/QAehI+Ash+Nc0acpg3gWI/knsDdI/46xM0rPI 0qePx X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 62D301A0009 X-Rspam-User: X-Stat-Signature: pnsnwn11utf31j8zg8r54hwnosikthyz X-HE-Tag: 1780603189-506222 X-HE-Meta: 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 O1BC/Hi5 tGzMtk/dyZLaFa1BcWh/97BYeZBI5n8Dd51iye/12cxFq3ugDqihNxDLAPB29DV+tx/cXIcKsy9TVp4ipPbDUYW7MeRL0Jy/TGKd6sFYNwJND/rE8vAyETkotYUErtR/44PNPAnMShsrL+FOwGRJT2AdpZhcCtS+5otoujux4D+xzknyliaQFq0GG+RbAuuAyFJMlY8eGNUFXRSM2RgvRhZnbE0dACxky1QG5H11zUU/bYJjl+egEk6+eYr3BGAdpZZwXSzUq42qsl3i3AxhRFZsqMGNy600mRlM40jNQ+7nO/bDLMRZXVPcB66bM7YTskRkT219g8+veN+eh96l7ycisx8j9ArnrYXj5JRV9Z7vbsEx5yjvQbwG3prSYjUuCwOrlgJq/08mTc4RrBCm+jygd21/sWKo1Cq7mulX7LHB2IUY= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The rust null block driver plans to rely on preloading xarray nodes from the radix_tree_node_cachep kmem_cache. Cc: "Matthew Wilcox (Oracle)" Signed-off-by: Andreas Hindborg --- lib/radix-tree.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 976b9bd02a1b..1cf0012b15ad 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -1598,10 +1598,16 @@ void __init radix_tree_init(void) BUILD_BUG_ON(RADIX_TREE_MAX_TAGS + __GFP_BITS_SHIFT > 32); BUILD_BUG_ON(ROOT_IS_IDR & ~GFP_ZONEMASK); BUILD_BUG_ON(XA_CHUNK_SIZE > 255); - radix_tree_node_cachep = kmem_cache_create("radix_tree_node", - sizeof(struct radix_tree_node), 0, - SLAB_PANIC | SLAB_RECLAIM_ACCOUNT, - radix_tree_node_ctor); + + struct kmem_cache_args args = { + .ctor = radix_tree_node_ctor, + .sheaf_capacity = 64, + }; + + radix_tree_node_cachep = kmem_cache_create( + "radix_tree_node", sizeof(struct radix_tree_node), &args, + SLAB_PANIC | SLAB_RECLAIM_ACCOUNT); + ret = cpuhp_setup_state_nocalls(CPUHP_RADIX_DEAD, "lib/radix:dead", NULL, radix_tree_cpu_dead); WARN_ON(ret < 0); -- 2.51.2