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Update a comment in get_pv_entry() to reflect the changes to the

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synchronization of pv_vafree in r236158.
This commit is contained in:
Alan Cox 2012-05-28 17:35:23 +00:00
parent e9b29d1604
commit 4edfd622b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=236190
1 changed files with 2 additions and 2 deletions
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4
sys/i386/i386/pmap.c
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@ -2428,8 +2428,8 @@ get_pv_entry(pmap_t pmap, int try)
}
}
/*
* Access to the ptelist "pv_vafree" is synchronized by the page
* queues lock. If "pv_vafree" is currently non-empty, it will
* Access to the ptelist "pv_vafree" is synchronized by the pvh
* global lock. If "pv_vafree" is currently non-empty, it will
* remain non-empty until pmap_ptelist_alloc() completes.
*/
if (pv_vafree == 0 || (m = vm_page_alloc(NULL, 0, VM_ALLOC_NORMAL |