1/*- 2 * Copyright (c) 2002-2005, 2009, 2013 Jeffrey Roberson <jeff@FreeBSD.org> 3 * Copyright (c) 2004, 2005 Bosko Milekic <bmilekic@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * |
27 * $FreeBSD: head/sys/vm/uma_int.h 251826 2013-06-17 03:43:47Z jeff $ |
28 * 29 */ 30 31/* 32 * This file includes definitions, structures, prototypes, and inlines that 33 * should not be used outside of the actual implementation of UMA. 34 */ 35 --- 255 unchanged lines hidden (view full) --- 291 292 LIST_HEAD(,uma_klink) uz_kegs; /* List of kegs. */ 293 struct uma_klink uz_klink; /* klink for first keg. */ 294 295 uma_slaballoc uz_slab; /* Allocate a slab from the backend. */ 296 uma_ctor uz_ctor; /* Constructor for each allocation */ 297 uma_dtor uz_dtor; /* Destructor */ 298 uma_init uz_init; /* Initializer for each item */ |
299 uma_fini uz_fini; /* Finalizer for each item. */ 300 uma_import uz_import; /* Import new memory to cache. */ 301 uma_release uz_release; /* Release memory from cache. */ 302 void *uz_arg; /* Import/release argument. */ |
303 304 uint32_t uz_flags; /* Flags inherited from kegs */ 305 uint32_t uz_size; /* Size inherited from kegs */ 306 |
307 volatile u_long uz_allocs UMA_ALIGN; /* Total number of allocations */ 308 volatile u_long uz_fails; /* Total number of alloc failures */ 309 volatile u_long uz_frees; /* Total number of frees */ |
310 uint64_t uz_sleeps; /* Total number of alloc sleeps */ 311 uint16_t uz_fills; /* Outstanding bucket fills */ 312 uint16_t uz_count; /* Highest amount of items in bucket */ 313 314 /* The next three fields are used to print a rate-limited warnings. */ 315 const char *uz_warning; /* Warning to print on failure */ 316 struct timeval uz_ratecheck; /* Warnings rate-limiting */ 317 --- 13 unchanged lines hidden (view full) --- 331#define UMA_ZFLAG_PRIVALLOC 0x10000000 /* Use uz_allocf. */ 332#define UMA_ZFLAG_INTERNAL 0x20000000 /* No offpage no PCPU. */ 333#define UMA_ZFLAG_FULL 0x40000000 /* Reached uz_maxpages */ 334#define UMA_ZFLAG_CACHEONLY 0x80000000 /* Don't ask VM for buckets. */ 335 336#define UMA_ZFLAG_INHERIT (UMA_ZFLAG_INTERNAL | UMA_ZFLAG_CACHEONLY | \ 337 UMA_ZFLAG_BUCKET) 338 |
339static inline uma_keg_t 340zone_first_keg(uma_zone_t zone) 341{ 342 343 return (LIST_FIRST(&zone->uz_kegs)->kl_keg); 344} 345 |
346#undef UMA_ALIGN 347 348#ifdef _KERNEL 349/* Internal prototypes */ 350static __inline uma_slab_t hash_sfind(struct uma_hash *hash, uint8_t *data); 351void *uma_large_malloc(int size, int wait); 352void uma_large_free(uma_slab_t slab); 353 --- 89 unchanged lines hidden --- |