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author | alc <alc@FreeBSD.org> | 2015-08-25 01:01:25 +0000 |
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committer | alc <alc@FreeBSD.org> | 2015-08-25 01:01:25 +0000 |
commit | 6181041f9a615581f84d8ad0025c36845aad472f (patch) | |
tree | d66e06872f482a845f15f46a330d7b3a801d5519 /lib/libc | |
parent | c465848fcf220d5fb2824d3829148113ecaf37fa (diff) | |
download | FreeBSD-src-6181041f9a615581f84d8ad0025c36845aad472f.zip FreeBSD-src-6181041f9a615581f84d8ad0025c36845aad472f.tar.gz |
Testing whether a page is dirty does not require the page lock. Moreover,
it may involve a pmap operation that iterates over the page's PV list, so
unnecessarily holding the page lock is undesirable.
MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division
Diffstat (limited to 'lib/libc')
0 files changed, 0 insertions, 0 deletions