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Differential D46661

LinuxKPI: always use contig allocations in linux_alloc_kmem()
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Authored by bz on Sep 12 2024, 9:25 PM.
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Reviewers
jhb
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linuxkpi
Summary

In linux_alloc_kmem() [used by *get_page*()] we always at least allocate
PAGE_SIZE and we want the allocation to be contiguous so it can be passed
to DMA. Always use kmem_alloc_contig() and only change the low argument
depending on the GFP_DMA32 flag being given or not.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

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Repository
rG FreeBSD src repository
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No Test Coverage
Build Status
Buildable 59470
Build 56357: arc lint + arc unit

Revision Contents
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PathSize
sys/
compat/
linuxkpi/
common/
src/
10 lines

Diff 143297

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sys/compat/linuxkpi/common/src/linux_page.c

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