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| author | alc <alc@FreeBSD.org> | 2009-05-15 04:33:35 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2009-05-15 04:33:35 +0000 |
| commit | 1af8842f56411a768c8a8b8fee2845313dba8223 (patch) | |
| tree | a86532abfd963fc5ea7bcdfd1df5cd2b4cfd3465 /sys/vm/vnode_pager.c | |
| parent | 768767541d0c2e71285019bc8fd72c4d77ca9eb6 (diff) | |
| download | FreeBSD-src-1af8842f56411a768c8a8b8fee2845313dba8223.zip FreeBSD-src-1af8842f56411a768c8a8b8fee2845313dba8223.tar.gz | |
Eliminate unnecessary clearing of the page's dirty mask from various
getpages functions.
Eliminate a stale comment.
Diffstat (limited to 'sys/vm/vnode_pager.c')
| -rw-r--r-- | sys/vm/vnode_pager.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c index cf9dcb1..ed09044 100644 --- a/sys/vm/vnode_pager.c +++ b/sys/vm/vnode_pager.c @@ -939,17 +939,18 @@ vnode_pager_generic_getpages(vp, m, bytecount, reqpage) mt)); } else { /* - * Read did not fill up entire page. Since this - * is getpages, the page may be mapped, so we have - * to zero the invalid portions of the page even - * though we aren't setting them valid. + * Read did not fill up entire page. * * Currently we do not set the entire page valid, * we just try to clear the piece that we couldn't * read. */ - vm_page_set_validclean(mt, 0, + vm_page_set_valid(mt, 0, object->un_pager.vnp.vnp_size - tfoff); + KASSERT((mt->dirty & vm_page_bits(0, + object->un_pager.vnp.vnp_size - tfoff)) == 0, + ("vnode_pager_generic_getpages: page %p is dirty", + mt)); } if (i != reqpage) { |
