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| author | Peter Rival <Frank.Rival@oracle.com> | 2010-04-23 13:26:05 -0400 |
|---|---|---|
| committer | Peter Rival <Frank.Rival@oracle.com> | 2010-04-23 13:26:05 -0400 |
| commit | cb15d5d96b3b2730714c28bfe06cfe7421758b8c (patch) | |
| tree | 7fd5c3cf5bb49647be8b2eb022e8d75a7d78eab5 /usr/src/uts/common/vm/page_lock.c | |
| parent | 03c76a6ef5c04e818b6badeeb6155961505af45c (diff) | |
| download | illumos-joyent-cb15d5d96b3b2730714c28bfe06cfe7421758b8c.tar.gz | |
6778289 vm locks need to scale with the size of system (strands/memory size)
Diffstat (limited to 'usr/src/uts/common/vm/page_lock.c')
| -rw-r--r-- | usr/src/uts/common/vm/page_lock.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/usr/src/uts/common/vm/page_lock.c b/usr/src/uts/common/vm/page_lock.c index 8003884652..7e48602189 100644 --- a/usr/src/uts/common/vm/page_lock.c +++ b/usr/src/uts/common/vm/page_lock.c @@ -19,8 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2009 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved. */ @@ -42,14 +41,14 @@ #include <vm/seg_kmem.h> /* - * This global mutex is for logical page locking. + * This global mutex array is for logical page locking. * The following fields in the page structure are protected * by this lock: * * p_lckcnt * p_cowcnt */ -kmutex_t page_llock; +pad_mutex_t page_llocks[8 * NCPU_P2]; /* * This is a global lock for the logical page free list. The @@ -127,14 +126,10 @@ static pad_mutex_t pszc_mutex[PSZC_MTX_TABLE_SIZE]; * an address of a vnode. */ -/* - * XX64 VPH_TABLE_SIZE and VP_HASH_FUNC might break in 64 bit world. - * Need to review again. - */ #if defined(_LP64) -#define VPH_TABLE_SIZE (1 << (VP_SHIFT + 3)) +#define VPH_TABLE_SIZE (8 * NCPU_P2) #else /* 32 bits */ -#define VPH_TABLE_SIZE (2 << VP_SHIFT) +#define VPH_TABLE_SIZE (2 * NCPU_P2) #endif #define VP_HASH_FUNC(vp) \ |