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Revert to using the page queues lock in vm_page_clear_dirty_mask() on

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MIPS.  (At present, although atomic_clear_char() is defined by atomic.h
on MIPS, it is not actually implemented by support.S.)
This commit is contained in:
Alan Cox 2011-06-23 05:23:59 +00:00
parent f574af0d6d
commit 1bfec3dfb6
2 changed files with 2 additions and 4 deletions
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3
sys/vm/vm_fault.c
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@ -1095,8 +1095,7 @@ vm_fault_quick_hold_pages(vm_map_t map, vm_offset_t addr, vm_size_t len,
* required in order to call vm_page_dirty(). See
* vm_page_clear_dirty_mask().
*/
#if defined(__amd64__) || defined(__i386__) || defined(__ia64__) || \
defined(__mips__)
#if defined(__amd64__) || defined(__i386__) || defined(__ia64__)
vm_page_dirty(*mp);
#else
vm_page_lock_queues();

3
sys/vm/vm_page.c
View File

@ -2336,8 +2336,7 @@ vm_page_clear_dirty_mask(vm_page_t m, int pagebits)
if ((m->oflags & VPO_BUSY) == 0 && (m->flags & PG_WRITEABLE) == 0)
m->dirty &= ~pagebits;
else {
#if defined(__amd64__) || defined(__i386__) || defined(__ia64__) || \
defined(__mips__)
#if defined(__amd64__) || defined(__i386__) || defined(__ia64__)
/*
* On the aforementioned architectures, the page queues lock
* is not required by the following read-modify-write