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authorKonstantin Belousov <kib@FreeBSD.org>2007-08-20 12:05:45 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2007-08-20 12:05:45 +0000
commitd239bd3ccc23ffed1df1ad7114e303b989e46b94 (patch)
tree53ed71997e5c122e87a0dcd8769ef721892ffaa7 /sys/gnu/fs/xfs/FreeBSD/xfs_mountops.c
parent5114048b635a332f9a5dbfba06a7c87807a5f163 (diff)
downloadsrc-d239bd3ccc23ffed1df1ad7114e303b989e46b94.tar.gz
src-d239bd3ccc23ffed1df1ad7114e303b989e46b94.zip
Do not drop vm_map lock between doing vm_map_remove() and vm_map_insert().
For this, introduce vm_map_fixed() that does that for MAP_FIXED case. Dropping the lock allowed for parallel thread to occupy the freed space. Reported by: Tijl Coosemans <tijl ulyssis org> Reviewed by: alc Approved by: re (kensmith) MFC after: 2 weeks
Notes
Notes: svn path=/head/; revision=171902
Diffstat (limited to 'sys/gnu/fs/xfs/FreeBSD/xfs_mountops.c')
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