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| author | cognet <cognet@FreeBSD.org> | 2004-11-13 14:54:31 +0000 |
|---|---|---|
| committer | cognet <cognet@FreeBSD.org> | 2004-11-13 14:54:31 +0000 |
| commit | 341a002b6b0adc4c9c5fff4cab583a91a4ae565c (patch) | |
| tree | 8ff263d14daad888906da7d72bd252c341961714 /sys/arm | |
| parent | 35680a9d48f72383c921dc62f17421f25a725104 (diff) | |
| download | FreeBSD-src-341a002b6b0adc4c9c5fff4cab583a91a4ae565c.zip FreeBSD-src-341a002b6b0adc4c9c5fff4cab583a91a4ae565c.tar.gz | |
Don't forget to clear the PG_WRITEABLE flag when appropriate.
Diffstat (limited to 'sys/arm')
| -rw-r--r-- | sys/arm/arm/pmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/arm/arm/pmap.c b/sys/arm/arm/pmap.c index f61e790..094ecf1 100644 --- a/sys/arm/arm/pmap.c +++ b/sys/arm/arm/pmap.c @@ -1668,6 +1668,8 @@ pmap_clearbit(struct vm_page *pg, u_int maskbits) simple_unlock(&pg->mdpage.pvh_slock); PMAP_HEAD_TO_MAP_UNLOCK(); #endif + if (maskbits & PVF_WRITE) + vm_page_flag_clear(pg, PG_WRITEABLE); return (count); } @@ -1789,6 +1791,8 @@ pmap_nuke_pv(struct vm_page *pg, pmap_t pm, struct pv_entry *pve) pg->md.urw_mappings--; else pg->md.uro_mappings--; + if (TAILQ_FIRST(&pg->md.pv_list) == NULL) + vm_page_flag_clear(pg, PG_WRITEABLE); } static struct pv_entry * @@ -3691,6 +3695,7 @@ pmap_remove(pmap_t pm, vm_offset_t sva, vm_offset_t eva) pmap_acquire_pmap_lock(pm); #endif + vm_page_lock_queues(); pmap_update(pm); if (!pmap_is_current(pm)) { cleanlist_idx = PMAP_REMOVE_CLEAN_LIST_SIZE + 1; @@ -3847,6 +3852,7 @@ pmap_remove(pmap_t pm, vm_offset_t sva, vm_offset_t eva) pmap_free_l2_bucket(pm, l2b, mappings); } + vm_page_unlock_queues(); if (flushall) cpu_tlb_flushID(); #if 0 |
