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/freebsd/sys/contrib/openzfs/config/
H A Dkernel-kmem.m42 dnl # Enabled by default it provides a minimal level of memory tracking.
8 AC_ARG_ENABLE([debug-kmem], optenable
9 [AS_HELP_STRING([--enable-debug-kmem],
10 [Enable basic kmem accounting @<:@default=no@:>@])],
16 KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM"
19 [Define to 1 to enable basic kmem accounting])
25 AC_MSG_CHECKING([whether basic kmem accounting is enabled])
30 dnl # Disabled by default it provides detailed memory tracking. This
31 dnl # feature also requires --enable-debug-kmem to be set. When enabled
39 AC_ARG_ENABLE([debug-kmem-tracking], optenable
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H A Dzfs-build.m410 DEBUG_CFLAGS="-Werror"
11 DEBUG_CPPFLAGS="-DDEBUG -UNDEBUG"
17 KERNEL_DEBUG_CFLAGS="-Werror"
18 KERNEL_DEBUG_CPPFLAGS="-DDEBUG -UNDEBUG"
23 DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
29 KERNEL_DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
34 dnl # - Enable all ASSERTs (-DDEBUG)
35 dnl # - Promote all compiler warnings to errors (-Werror)
37 dnl # (If INVARIANTS is detected, we need to force DEBUG, or strange panics
42 AC_ARG_ENABLE([debug], optenable
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/freebsd/sys/contrib/openzfs/.github/workflows/
H A Dzloop.yml8 group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
9 cancel-in-progress: true
13 runs-on: ubuntu-24.04
17 - uses: actions/checkout@v4
20 - name: Install dependencies
22 sudo apt-get purge -y snapd google-chrome-stable firefox
23 ONLY_DEPS=1 .github/workflows/scripts/qemu-3-deps-vm.sh ubuntu24
24 - name: Autogen.sh
26 sed -i '/DEBUG_CFLAGS="-Werror"/s/^/#/' config/zfs-build.m4
28 - name: Configure
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/freebsd/sys/contrib/openzfs/module/os/linux/spl/
H A Dspl-kmem.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
7 * UCRL-CODE-235197
25 #include <sys/debug.h>
27 #include <sys/kmem.h>
55 * of free pages. Therefore, a maximum kmem size with reasonable safely
139 * vmalloc's on-access allocation, b) performance loss due to in spl_kvmalloc()
141 * This has the side-effect that the slab statistics will in spl_kvmalloc()
176 * We first try kmalloc - even for big sizes - and fall back to in spl_kvmalloc()
179 * For non-__GFP-RECLAIM allocations we always stick to in spl_kvmalloc()
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/freebsd/share/man/man7/
H A Dsecurity.747 multi-user systems have some inherent security, the job of building and
60 As yesterday's mini-computers and mainframes
74 .Bl -enum -offset indent
89 Typically, DoS attacks are brute-force mechanisms that attempt
99 Brute-force network attacks are harder to deal with.
100 A spoofed-packet attack, for example, is
114 The result is that if you have any moderate-sized user base,
137 may find a bug in a root-run server and be able to break root over a network
138 connection to that server, or the attacker may know of a bug in an SUID-root
152 Security remedies should always be implemented with a multi-layered
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/freebsd/sys/conf/
H A DNOTES2 # NOTES -- Lines that can be cut/pasted into kernel and hints configs.
11 # Please use ``make LINT'' to create an old-style LINT file if you want to
12 # do kernel test-builds.
48 # auto-size based on physical memory.
66 # after most other flags. Here we use it to inhibit use of non-optimal
67 # gcc built-in functions (e.g., memcmp).
69 # DEBUG happens to be magic.
70 # The following is equivalent to 'config -g KERNELNAME' and creates
71 # 'kernel.debug' compiled with -g debugging as well as a normal
72 # 'kernel'. Use 'make install.debug' to install the debug kernel
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/freebsd/contrib/ntp/
H A Dconfigure2 # Guess values for system-dependent variables and create Makefiles.
8 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
14 ## ------
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/freebsd/contrib/sendmail/
H A DRELEASE_NOTES13 - Prevent transaction stuffing by ensuring SMTP clients
19 - Accept only CRLF . CRLF as end of an SMTP message
22 - Do not accept a CR or LF except in the combination
31 are used, i.e., TLSA RR 2-x-y and 3-x-y are supported
76 because the -a. option has been removed (as it only
79 VACATION: Add support for Return-Path header to set sender
81 VACATION: Honor RFC3834 and avoid an auto-reply if
82 'Auto-Submitted: no' is found in the headers to
84 VACATION: Avoid an auto-reply if a 'List-Id:' is found in
119 When EAI is enabled, mailq prints UTF-8 addresses as such
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/freebsd/sys/vm/
H A Duma_core.c1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2002-2019 Jeffrey Roberson <jeff@FreeBSD.org>
6 * Copyright (c) 2004-2006 Robert N. M. Watson
48 * - Improve memory usage for large allocations
49 * - Investigate cache size adjustments
152 /* The boot-time adjusted value for cache line alignment. */
153 static unsigned int uma_cache_align_mask = 64 - 1;
166 /* Linked list of all cache-only zones in the system */
171 * Mutex for global lists: uma_kegs, uma_cachezones, and the per-keg list of
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/freebsd/sys/contrib/openzfs/module/zfs/
H A Darc.c1 // SPDX-License-Identifier: CDDL-1.0
10 * or https://opensource.org/licenses/CDDL-1.0.
40 * DVA-based Adjustable Replacement Cache
43 * based on the self-tuning, low overhead replacement cache
52 * subset of the blocks in the cache are un-evictable because we
80 * See also: "ARC: A Self-Tuning, Low Overhead Replacement Cache"
124 * - L2ARC buflist creation
125 * - L2ARC buflist eviction
126 * - L2ARC write completion, which walks L2ARC buflists
127 * - ARC header destruction, as it removes from L2ARC buflists
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