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| author | Maxime Henrion <mux@FreeBSD.org> | 2004-07-30 09:10:28 +0000 |
|---|---|---|
| committer | Maxime Henrion <mux@FreeBSD.org> | 2004-07-30 09:10:28 +0000 |
| commit | 12c649749ce96af5d9368d560f15176fb9f67512 (patch) | |
| tree | 17d8c4d1e8fd6d7e4d3d3fdd099b30c94a3ee681 /sys/vm/vm_map.h | |
| parent | fe6a04858c5a74d9c05ea1710ca538407fe38f8b (diff) | |
| download | src-12c649749ce96af5d9368d560f15176fb9f67512.tar.gz src-12c649749ce96af5d9368d560f15176fb9f67512.zip | |
Get rid of another lockmgr(9) consumer by using sx locks for the user
maps. We always acquire the sx lock exclusively here, but we can't
use a mutex because we want to be able to sleep while holding the
lock. This is completely equivalent to what we were doing with the
lockmgr(9) locks before.
Approved by: alc
Notes
Notes:
svn path=/head/; revision=132880
Diffstat (limited to 'sys/vm/vm_map.h')
| -rw-r--r-- | sys/vm/vm_map.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/vm/vm_map.h b/sys/vm/vm_map.h index abd809fc4e64..8616c60c237f 100644 --- a/sys/vm/vm_map.h +++ b/sys/vm/vm_map.h @@ -67,7 +67,7 @@ #define _VM_MAP_ #include <sys/lock.h> -#include <sys/lockmgr.h> +#include <sys/sx.h> #include <sys/_mutex.h> /* @@ -164,7 +164,7 @@ vm_map_entry_behavior(vm_map_entry_t entry) */ struct vm_map { struct vm_map_entry header; /* List of entries */ - struct lock lock; /* Lock for map data */ + struct sx lock; /* Lock for map data */ struct mtx system_mtx; int nentries; /* Number of entries */ vm_size_t size; /* virtual size */ |