Up to [cvs.NetBSD.org] / src / sys / uvm
Request diff between arbitrary revisions
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.