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Code Issues Releases Activity

- Remove the calls to pmap_install() from pmap_object_init_pt(); they are

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redundant.  Discussed with: marcel
 - MFi386: Add vm object locking to pmap_object_init_pt().
This commit is contained in:
Alan Cox 2003-06-29 06:10:32 +00:00
parent b166db2bfd
commit 269acda954
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=117022
1 changed files with 9 additions and 9 deletions
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18
sys/ia64/ia64/pmap.c
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@ -1762,7 +1762,6 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
vm_object_t object, vm_pindex_t pindex,
vm_size_t size, int limit)
{
pmap_t oldpmap;
vm_offset_t tmpidx;
int psize;
vm_page_t p;
@ -1770,21 +1769,18 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
if (pmap == NULL || object == NULL)
return;
oldpmap = pmap_install(pmap);
VM_OBJECT_LOCK(object);
psize = ia64_btop(size);
if ((object->type != OBJT_VNODE) ||
((limit & MAP_PREFAULT_PARTIAL) && (psize > MAX_INIT_PT) &&
(object->resident_page_count > MAX_INIT_PT))) {
pmap_install(oldpmap);
return;
goto unlock_return;
}
if (psize + pindex > object->size) {
if (object->size < pindex)
return;
goto unlock_return;
psize = object->size - pindex;
}
@ -1823,8 +1819,10 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
vm_page_deactivate(p);
vm_page_busy(p);
vm_page_unlock_queues();
VM_OBJECT_UNLOCK(object);
pmap_enter_quick(pmap,
addr + ia64_ptob(tmpidx), p);
VM_OBJECT_LOCK(object);
vm_page_lock_queues();
vm_page_wakeup(p);
}
@ -1855,16 +1853,18 @@ pmap_object_init_pt(pmap_t pmap, vm_offset_t addr,
vm_page_deactivate(p);
vm_page_busy(p);
vm_page_unlock_queues();
VM_OBJECT_UNLOCK(object);
pmap_enter_quick(pmap,
addr + ia64_ptob(tmpidx), p);
VM_OBJECT_LOCK(object);
vm_page_lock_queues();
vm_page_wakeup(p);
}
vm_page_unlock_queues();
}
}
pmap_install(oldpmap);
return;
unlock_return:
VM_OBJECT_UNLOCK(object);
}
/*