alc 6eeaee04e4 The page flag PGA_WRITEABLE is set and cleared exclusively by the pmap ... layer, but it is read directly by the MI VM layer. This change introduces pmap_page_is_write_mapped() in order to completely encapsulate all direct access to PGA_WRITEABLE in the pmap layer. Aesthetics aside, I am making this change because amd64 will likely begin using an alternative method to track write mappings, and having pmap_page_is_write_mapped() in place allows me to make such a change without further modification to the MI VM layer. As an added bonus, tidy up some nearby comments concerning page flags. Reviewed by: kib MFC after: 6 weeks		2012-06-16 18:56:19 +00:00
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central	s,KOBJMETHOD_END,DEVMETHOD_END,g in order to fully hide the explicit mention	2011-11-22 21:55:40 +00:00
compile
conf	Merge from x86: r232521	2012-05-25 14:52:05 +00:00
ebus	s,KOBJMETHOD_END,DEVMETHOD_END,g in order to fully hide the explicit mention	2011-11-22 21:55:40 +00:00
fhc	s,KOBJMETHOD_END,DEVMETHOD_END,g in order to fully hide the explicit mention	2011-11-22 21:55:40 +00:00
include	The page flag PGA_WRITEABLE is set and cleared exclusively by the pmap	2012-06-16 18:56:19 +00:00
isa	MFC	2011-05-06 22:45:33 +00:00
pci	- Remove erroneous trailing semicolon. [1]	2012-03-30 15:08:09 +00:00
sbus	s,KOBJMETHOD_END,DEVMETHOD_END,g in order to fully hide the explicit mention	2011-11-22 21:55:40 +00:00
sparc64	Replace all uses of the vm page queues lock by a r/w lock that is private	2012-05-29 01:52:38 +00:00