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If a page belonging a reservation is cached, then mark the reservation so

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that it will be freed to the cache pool rather than the default pool.
Otherwise, the cached pages within the reservation may be recycled sooner
than necessary.

Reported by:	Andrey Zonov
This commit is contained in:
Alan Cox 2012-04-08 17:00:46 +00:00
parent 2b028c25d3
commit 908e3da10e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=234038
1 changed files with 7 additions and 5 deletions
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12
sys/vm/vm_reserv.c
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@ -652,11 +652,13 @@ vm_reserv_free_page(vm_page_t m)
mtx_assert(&vm_page_queue_free_mtx, MA_OWNED);
rv = vm_reserv_from_page(m);
if (rv->object != NULL) {
vm_reserv_depopulate(rv);
return (TRUE);
}
return (FALSE);
if (rv->object == NULL)
return (FALSE);
if ((m->flags & PG_CACHED) != 0 && m->pool != VM_FREEPOOL_CACHE)
vm_phys_set_pool(VM_FREEPOOL_CACHE, rv->pages,
VM_LEVEL_0_ORDER);
vm_reserv_depopulate(rv);
return (TRUE);
}
/*