Files
linux/lib
Christoph Hellwig 6bb0009862 mm/slab: improve kmem_cache_alloc_bulk
The kmem_cache_alloc_bulk return value is weird.  It returns the number
of allocated objects, but that must always be 0 or the requested number
based on the implementations and the handling in the callers, but that
assumption is not actually documented anywhere, which confuses automated
review tools.

Fix this by returning a bool if the allocation succeeded and adding a
kerneldoc comment explaining the API.

[rob.clark@oss.qualcomm.com: fixups in
 msm_iommu_pagetable_prealloc_allocate() ]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com> # skbuff
Link: https://patch.msgid.link/20260528093437.2519248-2-hch@lst.de
Signed-off-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
2026-06-03 18:20:43 +02:00
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