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Add a comment describing how pagedaemon_wakeup() should be used and

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synchronized.

Suggested by:	tegge
This commit is contained in:
Alan Cox 2003-02-09 20:40:36 +00:00
parent a7a02d1917
commit 6b4b77ad34
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=110597
1 changed files with 6 additions and 0 deletions
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6
sys/vm/vm_pageout.c
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@ -1481,6 +1481,12 @@ vm_pageout()
}
}
/*
* Unless the page queue lock is held by the caller, this function
* should be regarded as advisory. Specifically, the caller should
* not msleep() on &cnt.v_free_count following this function unless
* the page queue lock is held until the msleep() is performed.
*/
void
pagedaemon_wakeup()
{