opnsense-src/sys
Mark Johnston 5128c8948b swap_pager: Unbusy readahead pages after an I/O error
The swap pager itself allocates readahead pages, so should take care to
unbusy them after a read error, just as it does in the non-error case.

PR:		277538
Reviewed by:	olce, dougm, alc, kib
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D44646

(cherry picked from commit 4696650782e2e5cf7ae5823f1de04550c05b5b75)
2024-04-15 10:05:13 -04:00
..
amd64 Stop using expressions in _Alignof() 2024-04-08 10:26:16 -07:00
arm arm busdma: Fix parameter types to exclusion_bounce_check 2024-04-08 11:05:31 -07:00
arm64 arm64: Fix typo in pagetable_l0_ttbr0_bootstrap symbol name 2024-04-08 11:00:06 -07:00
bsm timerfd: Move implementation from linux compat to sys/kern 2023-08-24 14:28:56 -06:00
cam cam: Check if cam_simq_alloc fails for the xpt bus during module init 2024-04-08 10:53:43 -07:00
cddl Abstract UIO allocation and deallocation. 2024-03-08 23:27:20 -05:00
compat LinuxKPI: Remove the temporary variable fileid from the macro request_module 2024-04-12 19:25:17 +08:00
conf build: Do not pass -fno-sanitize-memory-param-retval to subr_coverage.c 2024-04-15 10:05:13 -04:00
contrib ath_hal/ar9300: allow JUPITER cards to read eeprom 2024-04-01 23:46:10 +00:00
crypto ossl: Remove a stray __FBSDID("$FreeBSD$") 2024-03-29 09:53:05 -04:00
ddb ddb: Add sysctl flag CTLFLAG_TUN to loader tunable 2023-10-12 12:08:18 +08:00
dev wg: Use ENETUNREACH when transmitting to a non-existent peer 2024-04-15 10:05:13 -04:00
dts add allwinner overlays for enabling additional USB ports 2024-02-17 16:15:10 +02:00
fs tarfs: Inherit mnt_iosize_max from the lower vnode 2024-04-15 10:05:13 -04:00
gdb sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
geom graid: MFC: unbreak Promise RAID1 with 4+ providers 2024-02-16 12:18:43 +07:00
gnu sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
i386 x86: handle MXCSR from XSAVEOPT when x87 state was optimized 2024-04-02 11:58:20 +03:00
isa isa: Postpone removal of the non-PNP driver until 15 2023-10-30 08:55:08 +08:00
kern kern linker: Don't invoke dtors without having invoked ctors 2024-04-15 10:05:13 -04:00
kgssapi nfscl/kgssapi: Fix Kerberized NFS mounts to pNFS servers 2023-12-23 17:03:58 -08:00
libkern arm64: Mark the armv8 crc32c as supporting BTI 2024-02-19 13:17:47 +00:00
modules vf_i2c: split up and add ACPI attachments in addition to FDT 2024-04-01 23:46:10 +00:00
net debugnet: Fix logging of frame length 2024-04-15 12:00:50 +08:00
net80211 net80211: Fix two typos in kernel messages 2024-02-24 09:23:47 +01:00
netgraph netgraph: Fix two typos in source code comments 2024-01-23 07:41:16 +01:00
netinet tcp: Add a new kernel-only TCP_USE_DDP socket option 2024-04-12 12:25:11 -07:00
netinet6 carp: check CARP status in in_localip_fib(), in6_localip_fib() 2024-03-28 12:35:45 -07:00
netipsec ipsec esp: avoid dereferencing freed secasindex 2024-03-04 02:27:17 +02:00
netlink netlink: Don't use a zero-length array 2024-04-08 10:58:16 -07:00
netpfil ipfw: Skip to the start of the loop when following a keep-state rule 2024-04-08 10:57:53 -07:00
netsmb sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
nfs sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
nfsclient sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
nfsserver sys: Remove $FreeBSD$: one-line .h pattern 2023-08-16 11:54:18 -06:00
nlm sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
ofed ibcore: Introduce enum ib_raw_packet_caps from Linux 4.11 2023-11-04 15:22:18 -04:00
opencrypto sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
powerpc powerpc: Bump maximum number of FDT reserved mem entries 2024-04-01 22:09:57 -04:00
riscv riscv: Add missing includes for DDB 2024-04-08 10:56:24 -07:00
rpc NFS: Request use of TCP_USE_DDP for in-kernel TCP sockets 2024-04-12 12:25:27 -07:00
security veriexec: Simplify the initialization of loader tunable 2023-11-13 11:56:57 +08:00
sys kern linker: Don't invoke dtors without having invoked ctors 2024-04-15 10:05:13 -04:00
teken teken: fix style in teken_wcwidth.h 2023-10-21 17:28:35 +03:00
tests netlink: move NETLINK define to opt_global.h 2023-10-16 09:42:33 +02:00
tools makesyscalls: don't make syscall.mk by default 2023-12-13 23:07:06 +00:00
ufs Eliminate unnecessary UFS1 integrity checks. 2024-03-04 16:09:10 -08:00
vm swap_pager: Unbusy readahead pages after an I/O error 2024-04-15 10:05:13 -04:00
x86 x86: Support multiple PCI MCFG regions 2024-01-18 15:23:44 -08:00
xdr sys: Remove $FreeBSD$: one-line .c pattern 2023-08-16 11:54:36 -06:00
xen sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
Makefile sys: Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:54:58 -06:00
README.md sys/README.md: Add a section for documentation 2023-08-03 11:07:41 -03:00

FreeBSD Kernel Source:

This directory contains the source files and build glue that make up the FreeBSD kernel and its modules, including both original and contributed software.

Kernel configuration files are located in the conf/ subdirectory of each architecture. GENERIC is the configuration used in release builds. NOTES contains documentation of all possible entries. LINT is a compile-only configuration used to maximize build coverage and detect regressions.

Documentation:

Source code documentation is maintained in a set of man pages, under section 9. These pages are located in share/man/man9, from the top-level of the src tree. Consult intro(9) for an overview of existing pages.

Some additional high-level documentation of the kernel is maintained in the Architecture Handbook.

Source Roadmap:

Directory Description
amd64 AMD64 (64-bit x86) architecture support
arm 32-bit ARM architecture support
arm64 64-bit ARM (AArch64) architecture support
cam Common Access Method storage subsystem - cam(4) and ctl(4)
cddl CDDL-licensed optional sources such as DTrace
conf kernel build glue
compat Linux compatibility layer, FreeBSD 32-bit compatibility
contrib 3rd-party imported software such as OpenZFS
crypto crypto drivers
ddb interactive kernel debugger - ddb(4)
fs most filesystems, excluding UFS, NFS, and ZFS
dev device drivers and other arch independent code
gdb kernel remote GDB stub - gdb(4)
geom GEOM framework - geom(4)
i386 i386 (32-bit x86) architecture support
kern main part of the kernel
libkern libc-like and other support functions for kernel use
modules kernel module infrastructure
net core networking code
net80211 wireless networking (IEEE 802.11) - net80211(4)
netgraph graph-based networking subsystem - netgraph(4)
netinet IPv4 protocol implementation - inet(4)
netinet6 IPv6 protocol implementation - inet6(4)
netipsec IPsec protocol implementation - ipsec(4)
netpfil packet filters - ipfw(4), pf(4), and ipfilter(4)
opencrypto OpenCrypto framework - crypto(7)
powerpc PowerPC/POWER (32 and 64-bit) architecture support
riscv 64-bit RISC-V architecture support
security security facilities - audit(4) and mac(4)
sys kernel headers
tests kernel unit tests
ufs Unix File System - ffs(7)
vm virtual memory system
x86 code shared by AMD64 and i386 architectures