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| author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2010-09-09 16:06:55 +0000 |
|---|---|---|
| committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2010-09-09 16:06:55 +0000 |
| commit | a03821b38825e913b3542c747196ea1595e42810 (patch) | |
| tree | 9f812789302e5be6dc8ecc36bb89e65e5e3301f7 /sys/powerpc/aim/mmu_oea64.c | |
| parent | 3a255aa391bd4b025a56a2adf21d4b51c4e309ea (diff) | |
| download | FreeBSD-src-a03821b38825e913b3542c747196ea1595e42810.zip FreeBSD-src-a03821b38825e913b3542c747196ea1595e42810.tar.gz | |
Reorder statistics tracking and table lock acquisitions already in place
to avoid race conditions updating the PVO statistics.
Diffstat (limited to 'sys/powerpc/aim/mmu_oea64.c')
| -rw-r--r-- | sys/powerpc/aim/mmu_oea64.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/powerpc/aim/mmu_oea64.c b/sys/powerpc/aim/mmu_oea64.c index a6aebde..dc055a3 100644 --- a/sys/powerpc/aim/mmu_oea64.c +++ b/sys/powerpc/aim/mmu_oea64.c @@ -2424,7 +2424,6 @@ moea64_pvo_enter(pmap_t pm, uma_zone_t zone, struct pvo_head *pvo_head, * the bootstrap pool. */ - moea64_pvo_enter_calls++; first = 0; bootstrap = (flags & PVO_BOOTSTRAP); @@ -2444,6 +2443,8 @@ moea64_pvo_enter(pmap_t pm, uma_zone_t zone, struct pvo_head *pvo_head, */ LOCK_TABLE(); + moea64_pvo_enter_calls++; + LIST_FOREACH(pvo, &moea64_pvo_table[ptegidx], pvo_olink) { if (pvo->pvo_pmap == pm && PVO_VADDR(pvo) == va) { if ((pvo->pvo_pte.lpte.pte_lo & LPTE_RPGN) == pa && @@ -2608,14 +2609,15 @@ moea64_pvo_remove(struct pvo_entry *pvo) * if we aren't going to reuse it. */ LIST_REMOVE(pvo, pvo_olink); + + moea64_pvo_entries--; + moea64_pvo_remove_calls++; + UNLOCK_TABLE(); if (!(pvo->pvo_vaddr & PVO_BOOTSTRAP)) uma_zfree((pvo->pvo_vaddr & PVO_MANAGED) ? moea64_mpvo_zone : moea64_upvo_zone, pvo); - - moea64_pvo_entries--; - moea64_pvo_remove_calls++; } static struct pvo_entry * |
