diff options
Diffstat (limited to 'sys/arm/arm/pmap-v6.c')
| -rw-r--r-- | sys/arm/arm/pmap-v6.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/arm/arm/pmap-v6.c b/sys/arm/arm/pmap-v6.c index 9e0b8bd..c0f4c2c 100644 --- a/sys/arm/arm/pmap-v6.c +++ b/sys/arm/arm/pmap-v6.c @@ -2470,7 +2470,6 @@ pmap_remove_all(vm_page_t m) else cpu_tlb_flushD(); } - vm_page_aflag_clear(m, PGA_WRITEABLE); rw_wunlock(&pvh_global_lock); } @@ -2801,8 +2800,13 @@ validate: } if (prot & VM_PROT_WRITE) { - /* Write enable */ - npte &= ~(L2_APX); + /* + * Enable write permission if the access type + * indicates write intention. Emulate modified + * bit otherwise. + */ + if ((access & VM_PROT_WRITE) != 0) + npte &= ~(L2_APX); if ((m->oflags & VPO_UNMANAGED) == 0) { vm_page_aflag_set(m, PGA_WRITEABLE); |
