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block: switch numa_node to int in blk_mq_hw_ctx and init_request#875

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block: switch numa_node to int in blk_mq_hw_ctx and init_request#875
blktests-ci[bot] wants to merge 1 commit into
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@blktests-ci blktests-ci Bot commented May 23, 2026

Pull request for series with
subject: block: switch numa_node to int in blk_mq_hw_ctx and init_request
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1099804

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blktests-ci Bot commented May 23, 2026

Upstream branch: 79bd2dd
series: https://patchwork.kernel.org/project/linux-block/list/?series=1099804
version: 1

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blktests-ci Bot commented May 23, 2026

Upstream branch: eed108e
series: https://patchwork.kernel.org/project/linux-block/list/?series=1099804
version: 1

numa_node in blk_mq_hw_ctx and the matching argument of
blk_mq_ops::init_request can be NUMA_NO_NODE (-1).  Declared as
unsigned int, NUMA_NO_NODE becomes UINT_MAX and walks off
nvme_dev::descriptor_pools[] on CONFIG_NUMA=n [1].

Switch the field and the callback prototype to int and update all
in-tree init_request implementations.  No functional change:
cpu_to_node(), kmalloc_node() and blk_alloc_flush_queue() already
take int.

Link: https://lore.kernel.org/linux-nvme/20260522150628.399288-1-mateusz.nowicki@posteo.net/ [1]
Link: https://lore.kernel.org/linux-nvme/20260309062840.2937858-2-iam@sung-woo.kim/
Suggested-by: Caleb Sander Mateos <csander@purestorage.com>
Suggested-by: Sung-woo Kim <iam@sung-woo.kim>
Signed-off-by: Mateusz Nowicki <mateusz.nowicki@posteo.net>
@blktests-ci blktests-ci Bot force-pushed the series/1099804=>linus-master branch from a4ec3c7 to 29503fe Compare May 23, 2026 17:22
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