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Howlett" , Vlastimil Babka , Harry Yoo , Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin Cc: Andreas Hindborg , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1261; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=IJL8sHLJzETBX5EUCq0+XoQYAigxpIcbmnUp4kDolk0=; b=owEBbQKS/ZANAwAKAfpQKQiqxb3QAcsmYgBqmCQiFeVnhwTDdQFJRjCYOO1PxQcejmTfYtGJX zaKc7loM6SJAjMEAAEKAB0WIQRXitnI2WZ2JirAaob6UCkIqsW90AUCapgkIgAKCRD6UCkIqsW9 0AS4D/4mR4N32k1U3pAh2rJfK5jfyROypSsF3fJL4XksWWspR996nY603YS/pWVLIEy1IvXUWiG zqBNIfTISK+5Gx4Zb1jq+4DqRo0sq1xW2/UYQyFZYdUXfAZ5LZQTcZa9CTnZmDTqKXZLb6nZ0MI cXa5QRrjyQluHCkg5ZWkVZ52B5rdcJZdknWPvvFNd73JOGc7bUNfxHvUC1W8x2nx86MTv0rePvL bbMOofBww0Ps/BY5MW+snKMunRkCvVyn3nr3+yYzLBkC9mCj76NoXooxUafImT2SMhTS+j/KkV8 gr5BizGqw4DTv9N/O8hzxe0raN/NkIdnAmUtXONK/DmjRBDL1dkl1xlHeFix6R6MWJjFcSK9SdC i6AV4GeoM7//WiIye3g5JDS22RbYfF3go+/RiKCgEgSTLZA6NkI6b/159rmlcPGZMmk6VEzcADO KmeclUmPOi6HKrWMP+NOymfrt04o0ji7XvH1qJ4ma3lITbaBkU8m7EafGDO0omxGmFCCr5eIzzi RrkCMszJ71vAm8fOhGeCYJnKFMtnWkjJJNyLwj/qmTOC6ZD5lDmcTd9b4yNcVuUjQLRMSJUZ6P3 QsXVwKBoA8ADBipBkSodYaBfCwnJRH9UGwYkK0x4jHKlUIYl6ScJzFxNrSttLGjX4q9XzoCB1jH m32JydtEphMt1uA== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 40E331C0006 X-Stat-Signature: bdu1go6ek49d4c7g64z9ot91rukxkg8s X-Rspam-User: X-HE-Tag: 1788355673-255779 X-HE-Meta: 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 kzHAkLBh HR/moKNml39LxzCQNQxFhcD5eyaCUUT5LWcVKgUbtZDIJUkQNd35tfqxLgbLbWGlnLb39gO86QRgoxTDCOdQWHS6z1jymCe9mK8ME63OXe4HrYLyY9FCpf7i6Wj6SQ07ojrSYF9ogbk9kC977qXJKNAeid5/w7Q59lgO7vi1HUnYcW01hVMIqz+F99flpZFVqxaDdUbXyDSIUohvYEwSgn6Uqu1BtZvSfAANmqxlNZ0pWeJrWrzYO0YbZvNGOI3MNl5BhrsupxcLw5nv/Mx+ZWA1otjy4YL2i9v09Vi5jRSv5irTkWn92UYW7SAfcwNou4ZrWXexVkzb1WqkvA+5SdXNOYxeXXalb4Oje 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)" Assisted-by: LLM 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