diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 2003-12-08 22:19:58 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 2003-12-08 22:19:58 +0000 |
| commit | 05f5bc3d541eecbb38b53211ceb4121a1bfbeef3 (patch) | |
| tree | dc5ac0238d106cabed5564dfa79ea3a7ca02e8f3 /sys | |
| parent | 5a043444db11ef3b49b8a0a1dc20336747d537e5 (diff) | |
remove unneeded uvmfault_unlockmaps; form netbsd via Julien Bordet <zejames@greyhats.org>; tedu@ ok
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/uvm/uvm_loan.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/sys/uvm/uvm_loan.c b/sys/uvm/uvm_loan.c index e81496b066b..ee950523dca 100644 --- a/sys/uvm/uvm_loan.c +++ b/sys/uvm/uvm_loan.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_loan.c,v 1.19 2002/03/14 01:27:18 millert Exp $ */ +/* $OpenBSD: uvm_loan.c,v 1.20 2003/12/08 22:19:57 mickey Exp $ */ /* $NetBSD: uvm_loan.c,v 1.22 2000/06/27 17:29:25 mrg Exp $ */ /* @@ -266,19 +266,24 @@ uvm_loan(map, start, len, result, flags) goto fail; /* - * now do the loanout + * map now locked. now do the loanout... */ rv = uvm_loanentry(&ufi, &output, flags); if (rv < 0) goto fail; /* - * done! advance pointers and unlock. + * done! the map is unlocked. advance, if possible. + * + * XXXCDC: could be recoded to hold the map lock with + * smarter code (but it only happens on map entry + * boundaries, so it isn't that bad). */ - rv <<= PAGE_SHIFT; - len -= rv; - start += rv; - uvmfault_unlockmaps(&ufi, FALSE); + if (rv) { + rv <<= PAGE_SHIFT; + len -= rv; + start += rv; + } } /* |