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pv_entry_count is more than a statistic. It is used for resource limiting.

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Do not compile out its counter updates if pv entry stats are turned off.
This commit is contained in:
Peter Wemm 2006-04-18 20:11:00 +00:00
parent 37b499c989
commit bac58593f1
1 changed files with 3 additions and 3 deletions
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6
sys/amd64/amd64/pmap.c
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@ -1547,7 +1547,7 @@ free_pv_entry(pmap_t pmap, pv_entry_t pv)
PV_STAT(pv_entry_frees++);
PV_STAT(pv_entry_spare++);
PV_STAT(pv_entry_count--);
pv_entry_count--;
pc = pv_to_chunk(pv);
idx = pv - &pc->pc_pventry[0];
field = idx / 64;
@ -1588,7 +1588,7 @@ get_pv_entry(pmap_t pmap, int try)
PMAP_LOCK_ASSERT(pmap, MA_OWNED);
mtx_assert(&vm_page_queue_mtx, MA_OWNED);
PV_STAT(pv_entry_allocs++);
PV_STAT(pv_entry_count++);
pv_entry_count++;
if (pv_entry_count > pv_entry_high_water)
pagedaemon_wakeup();
pc = TAILQ_FIRST(&pmap->pm_pvchunk);
@ -2777,7 +2777,7 @@ pmap_remove_pages(pmap_t pmap)
/* Mark free */
PV_STAT(pv_entry_frees++);
PV_STAT(pv_entry_spare++);
PV_STAT(pv_entry_count--);
pv_entry_count--;
pc->pc_map[field] |= bitmask;
m->md.pv_list_count--;
TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);