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| author | alc <alc@FreeBSD.org> | 2002-05-18 18:59:00 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-05-18 18:59:00 +0000 |
| commit | cad592a881e79398e4d11e0d03dc4bee57c5ccca (patch) | |
| tree | d634f8230600e98558cf4e5526063cbd56283849 /sys/vm/vm_mmap.c | |
| parent | cc9d214396387bbb25066636ba75b7d3073f13fa (diff) | |
| download | FreeBSD-src-cad592a881e79398e4d11e0d03dc4bee57c5ccca.zip FreeBSD-src-cad592a881e79398e4d11e0d03dc4bee57c5ccca.tar.gz | |
o Eliminate the acquisition and release of Giant from minherit(2).
(vm_map_inherit() no longer requires Giant to be held.)
Diffstat (limited to 'sys/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index fca62e7..750ab07 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -698,7 +698,6 @@ minherit(td, uap) vm_offset_t addr; vm_size_t size, pageoff; vm_inherit_t inherit; - int ret; addr = (vm_offset_t)uap->addr; size = uap->len; @@ -711,12 +710,8 @@ minherit(td, uap) if (addr + size < addr) return (EINVAL); - mtx_lock(&Giant); - ret = vm_map_inherit(&td->td_proc->p_vmspace->vm_map, addr, addr+size, - inherit); - mtx_unlock(&Giant); - - switch (ret) { + switch (vm_map_inherit(&td->td_proc->p_vmspace->vm_map, addr, + addr + size, inherit)) { case KERN_SUCCESS: return (0); case KERN_PROTECTION_FAILURE: |
