1/*-
2 * Copyright (c) 2002-2005, 2009 Jeffrey Roberson <jeff@FreeBSD.org>
3 * Copyright (c) 2004, 2005 Bosko Milekic <bmilekic@FreeBSD.org>
4 * Copyright (c) 2004-2006 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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43
44/*
45 * TODO:
46 * - Improve memory usage for large allocations
47 * - Investigate cache size adjustments
48 */
49
50#include <sys/cdefs.h>
51__FBSDID("$FreeBSD: head/sys/vm/uma_core.c 226313 2011-10-12 18:08:28Z glebius $");
52
53/* I should really use ktr.. */
54/*
55#define UMA_DEBUG 1
56#define UMA_DEBUG_ALLOC 1
57#define UMA_DEBUG_ALLOC_1 1
58*/
59
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840 * Malloced items are zeroed in uma_zalloc.
841 */
842
843 if ((keg->uk_flags & UMA_ZONE_MALLOC) == 0)
844 wait |= M_ZERO;
845 else
846 wait &= ~M_ZERO;
847
848 /* zone is passed for legacy reasons. */
849 mem = allocf(zone, keg->uk_ppera * UMA_SLAB_SIZE, &flags, wait);
850 if (mem == NULL) {
851 if (keg->uk_flags & UMA_ZONE_OFFPAGE)
852 zone_free_item(keg->uk_slabzone, slab, NULL,
853 SKIP_NONE, ZFREE_STATFREE);
854 KEG_LOCK(keg);
855 return (NULL);
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2 * Copyright (c) 2002-2005, 2009 Jeffrey Roberson <jeff@FreeBSD.org>
3 * Copyright (c) 2004, 2005 Bosko Milekic <bmilekic@FreeBSD.org>
4 * Copyright (c) 2004-2006 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
--- 34 unchanged lines hidden (view full) ---
43
44/*
45 * TODO:
46 * - Improve memory usage for large allocations
47 * - Investigate cache size adjustments
48 */
49
50#include <sys/cdefs.h>
51__FBSDID("$FreeBSD: head/sys/vm/uma_core.c 226313 2011-10-12 18:08:28Z glebius $");
52
53/* I should really use ktr.. */
54/*
55#define UMA_DEBUG 1
56#define UMA_DEBUG_ALLOC 1
57#define UMA_DEBUG_ALLOC_1 1
58*/
59
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840 * Malloced items are zeroed in uma_zalloc.
841 */
842
843 if ((keg->uk_flags & UMA_ZONE_MALLOC) == 0)
844 wait |= M_ZERO;
845 else
846 wait &= ~M_ZERO;
847
848 /* zone is passed for legacy reasons. */
849 mem = allocf(zone, keg->uk_ppera * UMA_SLAB_SIZE, &flags, wait);
850 if (mem == NULL) {
851 if (keg->uk_flags & UMA_ZONE_OFFPAGE)
852 zone_free_item(keg->uk_slabzone, slab, NULL,
853 SKIP_NONE, ZFREE_STATFREE);
854 KEG_LOCK(keg);
855 return (NULL);
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