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author | kmacy <kmacy@FreeBSD.org> | 2010-04-30 00:46:43 +0000 |
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committer | kmacy <kmacy@FreeBSD.org> | 2010-04-30 00:46:43 +0000 |
commit | 1dc1263413262d13f45f42d89c554d0ddc167ca2 (patch) | |
tree | 250705d42bcb9b364f4fd2233c38faaadadf7ae0 /sys/powerpc/include | |
parent | a43425e8835983e7c93a15a2d6a42fdb292c1676 (diff) | |
download | FreeBSD-src-1dc1263413262d13f45f42d89c554d0ddc167ca2.zip FreeBSD-src-1dc1263413262d13f45f42d89c554d0ddc167ca2.tar.gz |
On Alan's advice, rather than do a wholesale conversion on a single
architecture from page queue lock to a hashed array of page locks
(based on a patch by Jeff Roberson), I've implemented page lock
support in the MI code and have only moved vm_page's hold_count
out from under page queue mutex to page lock. This changes
pmap_extract_and_hold on all pmaps.
Supported by: Bitgravity Inc.
Discussed with: alc, jeffr, and kib
Diffstat (limited to 'sys/powerpc/include')
-rw-r--r-- | sys/powerpc/include/pmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/powerpc/include/pmap.h b/sys/powerpc/include/pmap.h index a23052e..a49bd6c 100644 --- a/sys/powerpc/include/pmap.h +++ b/sys/powerpc/include/pmap.h @@ -88,6 +88,8 @@ struct pmap { struct mtx pm_mtx; u_int pm_sr[16]; u_int pm_active; + uint32_t pm_gen_count; /* generation count (pmap lock dropped) */ + u_int pm_retries; u_int pm_context; struct pmap *pmap_phys; |