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If vm_contig_grow_cache() is allowed to sleep, then invoke the vm_lowmem

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handlers.
This commit is contained in:
Alan Cox 2012-07-14 20:14:03 +00:00
parent b5e0cd79c2
commit 9757857c4f
1 changed files with 15 additions and 0 deletions
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15
sys/vm/vm_contig.c
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@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/eventhandler.h>
#include <sys/lock.h>
#include <sys/mount.h>
#include <sys/mutex.h>
@ -189,6 +190,20 @@ vm_contig_grow_cache(int tries, vm_paddr_t low, vm_paddr_t high)
{
int actl, actmax, inactl, inactmax;
if (tries > 0) {
/*
* Decrease registered cache sizes. The vm_lowmem handlers
* may acquire locks and/or sleep, so they can only be invoked
* when "tries" is greater than zero.
*/
EVENTHANDLER_INVOKE(vm_lowmem, 0);
/*
* We do this explicitly after the caches have been drained
* above.
*/
uma_reclaim();
}
vm_page_lock_queues();
inactl = 0;
inactmax = tries < 1 ? 0 : cnt.v_inactive_count;