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(parent: 5c2967f) | patch
bio aio: Destroy ephemeral mapping before unwiring page.
authorKonstantin Belousov <kib@FreeBSD.org>
Sun, 29 Nov 2020 10:30:56 +0000 (10:30 +0000)
committerKonstantin Belousov <kib@FreeBSD.org>
Sun, 29 Nov 2020 10:30:56 +0000 (10:30 +0000)
commita9d4fe977a0be34e956c7cb6cb509596deefa7ad
tree6a504e102a3ad58ecdec00b696c4ad64555eee6ftree | snapshot
parent5c2967f66fbfba57e246e683430982e08b1127aacommit | 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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