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Howlett" , Vlastimil Babka , Andrew Morton , Christoph Lameter , David Rientjes , Roman Gushchin , 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 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1243; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=VslDN1mPgFIPh4fOyBZhDN58qjpQH9gwwiiN+krVdpc=; b=owEBbQKS/ZANAwAKAeG4Gj55KGN3AcsmYgBpifFex2+rby13jaJSZme2/vU05ZzvMRP5UT6SK VJQYMHYp8qJAjMEAAEKAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaYnxXgAKCRDhuBo+eShj d7xHD/48WEALFQfX+iMYXsiR/Mvn723D+YBjt2TOR/yfD7Sul4d8Iv02lIm3LGfCJsyUqsx0R/m Qk2ZkCueXt8bvCuSssHdX0jFMrBRDz9DFgMbk5SHMC2hLN/W0x/AY4rHDH4HxWqA/09V2h9kX9l by7veoXmADET0BEbdp15OIZLrP4+TbK6Md7Y98gcZZZZgKfyOgrWD9O+wZSe1jT4JSNrdw0pHhK WEiy/1R+bNnLAmMOP7AjVxTRKZ5SQafFzXZwe1+F6+mZe2saG8I5hrDR+VxNKisA7vQl9/z3gF1 XuYWSv6bLte0vcgMNpzi5111T1Tky95jqKotdLtHq7sO+hUg0IAm1sGAzEr848kitJXmQWyyp8z RtkHcd0kwQ/15cx2EZjuMGm32TRs79hH6cCTfvmf4CweWaQmqV+mC5uohtBCP7piEWMy/RrA1lx Lk8TicZ76wcecqeZ8TeDdarQAI/oVX1NO6bP4HKm3wcdjn2HDq2AW5m3Ss2RyH1ZoffhLt7eyAY HG8F4YbEif5r2ab7bGc75ROxcp9b9NTzghH7dtSdy8YrkyjeZNU9Uc1uq1KyyHMibe/jKSjYmPP debQlj5Vy7aICDbaFtI+SvG1jp8hcOSvnmatndAdy79kxiL25JYhXQRUaqy4lc6Xcs8Um0+KbQA EVG3kWV3B6ysnbw== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 54C434000B X-Stat-Signature: sd5tigh1meygc46rg5iw3x9t84b9t9xk X-Rspam-User: X-HE-Tag: 1770647982-51429 X-HE-Meta: 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 T0diPc/o jNYSuM4UG/cq5SDesgqdW4q4k2qNOt+dZ245tRRTr3gRLP3qEvoaQfDZLht5NiIvqbTQRm/Pc46Wt32wgaTUL5Kh0qCqspuJCYfPEqDkhZFIj8JWhbYzA0IH/g9xsm+m/TwSPV52GfQAtWTYah4mHBk9RinuWShlGCmTMeVlezxdZN4Cr8Ob2ky1HUb+rbwin4olxv05Xl+qRSuaN0yF0FbmcGn/DCarh+cgNDG6ZDWs1/EipjDfx6VizCEvT6k/Ppme+wgfelH7qY1MqO141ZDYjUCItb/4LKw6Tpjq6fMxesZ2a46w2V5LF30OVODcAoZF0rDOtiSJ88BgOjd3xhh6yE3W7n1jBCwn+YbaXPsLSUqENQM90PkIaXc+oCseOvKqKUduvcTvHPh0Gzk60YHVttbF/dDCVCqjG8owE6pGMYWs= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 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 976b9bd02a1b5..1cf0012b15ade 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