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(parent: ab2d96a) | patch
bio aio: Destroy ephemeral mapping before unwiring page.
authorkib <kib@FreeBSD.org>
Sun, 29 Nov 2020 10:30:56 +0000 (10:30 +0000)
committerkib <kib@FreeBSD.org>
Sun, 29 Nov 2020 10:30:56 +0000 (10:30 +0000)
commit4c674a1737f2999a951b422f302df186146cb6b9
tree6a504e102a3ad58ecdec00b696c4ad64555eee6ftree | snapshot
parentab2d96ab59ef07589d958d1f42d303626a5274bccommit | diff
bio aio: Destroy ephemeral mapping before unwiring page.

Apparently some architectures, like ppc in its hashed page tables
variants, account mappings by pmap_qenter() in the response from
pmap_is_page_mapped().

While there, eliminate useless userp variable.

Noted and reviewed by: alc (previous version)
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D27409
sys/kern/vfs_aio.c diff | blob | history
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