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author | alc <alc@FreeBSD.org> | 2004-12-27 05:27:59 +0000 |
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committer | alc <alc@FreeBSD.org> | 2004-12-27 05:27:59 +0000 |
commit | 1e5940b06a89b0dc41a9d449ec503d39d159ef33 (patch) | |
tree | defdc52b55e1f8d495d9e91dc58e37eb99f0a959 /sys/vm | |
parent | afd7d6f06b5c86668861cc94c3f7783ad4fde5e0 (diff) | |
download | FreeBSD-src-1e5940b06a89b0dc41a9d449ec503d39d159ef33.zip FreeBSD-src-1e5940b06a89b0dc41a9d449ec503d39d159ef33.tar.gz |
Note that access to the page's busy count is synchronized by the containing
object's lock.
Diffstat (limited to 'sys/vm')
-rw-r--r-- | sys/vm/vm_page.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 9c9cfba..9290994 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -121,7 +121,7 @@ struct vm_page { u_int cow; /* page cow mapping count */ short hold_count; /* page hold count */ u_char act_count; /* page usage count */ - u_char busy; /* page busy count */ + u_char busy; /* page busy count (O) */ /* NOTE that these must support one bit per DEV_BSIZE in a page!!! */ /* so, on normal X86 kernels, they must be at least 8 bits wide */ #if PAGE_SIZE == 4096 |