Diffusion FreeBSD src repository 31afa16f92df

amd64 pmap: for LA57 move large map out of kernel pml4 slot
31afa16f92df
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Description

amd64 pmap: for LA57 move large map out of kernel pml4 slot

and allow it to consume up to 32 pml5 slots (32 x 2048 TB), same as
DMAP.

Reviewed by: alc, markj
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D51364

Details

Provenance

kib	Authored on Jul 16 2025, 11:55 PM

Reviewer

Differential Revision

D51364: LA57: move large map out of kernel pml4

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rGcf07a18b58cf: amd64 pmap: make large map sizing depend on kva_layout instead of pml4 indexes

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kib committed rG31afa16f92df: amd64 pmap: for LA57 move large map out of kernel pml4 slot (authored by kib).Jul 20 2025, 12:25 AM

kib added an edge: D51364: LA57: move large map out of kernel pml4.

kib mentioned this in rG71901e4915a9: amd64 pmap: restore the name for pml4 local in pmap_large_map_pdpe().Jul 20 2025, 12:59 AM

Changes (2)

Path

Size

sys/

amd64/

amd64/

include/

rG31afa16f92df

sys/amd64/amd64/pmap.c

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sys/amd64/include/pmap.h

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