CVS log for src/sys/uvm/uvm_fault.c

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Default branch: MAIN
Current tag: netbsd-2-0-1-RELEASE

Revision 1.87.2.1 / (download) - annotate - [select for diffs], Mon May 10 14:27:00 2004 UTC (19 years, 11 months ago) by tron
Branch: netbsd-2-0
CVS Tags: netbsd-2-base, netbsd-2-0-RELEASE, netbsd-2-0-RC5, netbsd-2-0-RC4, netbsd-2-0-RC3, netbsd-2-0-RC2, netbsd-2-0-RC1, netbsd-2-0-3-RELEASE, netbsd-2-0-2-RELEASE, netbsd-2-0-1-RELEASE
Branch point for: netbsd-2
Changes since 1.87: +29 -4 lines
Diff to previous 1.87 (colored) next main 1.88 (colored)

Pull up revision 1.88 (requested by yamt in ticket #271):
fix a amap_wirerange deadlock problem by re-introducing
PG_RELEASED for anon pages.  PR/23171 from Christian Limpach.
for details, see discussion filed in the PR database.
uvm_anon_release: a new function to free anon-owned PG_RELEASED page.
uvm_anfree: we can't wait for the page here because the caller might hold
	amap lock.  instead, just mark the page as PG_RELEASED.
	who unbusy the page should check the PG_RELEASED.
uvm_aio_aiodone: uvm_anon_release() instead of uvm_page_unbusy()
	if appropriate.
uvmfault_anonget: check PG_RELEASED.

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