mempool: factor out a mempool_alloc_from_pool helper

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Add a helper for the mempool_alloc slowpath to better separate it from the
fast path, and also use it to implement mempool_alloc_preallocated which
shares the same logic.

[hughd@google.com: fix lack of retrying with __GFP_DIRECT_RECLAIM]
[vbabka@suse.cz: really use limited flags for first mempool attempt]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20251113084022.1255121-7-hch@lst.de
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

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Christoph Hellwig 2025-11-13 09:39:47 +01:00 • committed by Vlastimil Babka

parent 3d2492401d

commit 1742d97df6

1 changed files with 62 additions and 64 deletions

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mm/mempool.c

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