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linux/arch/mips
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David Hildenbrand 83d3b2b46e mips/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE 
Let's support __HAVE_ARCH_PTE_SWP_EXCLUSIVE.

On 64bit, steal one bit from the type.  Generic MM currently only uses 5
bits for the type (MAX_SWAPFILES_SHIFT), so the stolen bit is effectively
unused.

On 32bit we're able to locate unused bits.  As the PTE layout for 32 bit
is very confusing, document it a bit better.

While at it, mask the type in __swp_entry()/mk_swap_pte().

Link: https://lkml.kernel.org/r/20230113171026.582290-13-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-02-02 22:33:08 -08:00
..
alchemy
mips: alchemy: gpio: Include the right header
2022-11-11 15:45:37 +01:00
ar7
mips: ar7: convert to CONFIG_COMMON_CLK
2021-06-08 17:00:09 +02:00
ath25
MIPS: ath25: Constify static irq_domain_ops
2022-02-22 09:39:03 +01:00
ath79
MIPS: ath79: Remove one of the identical args in early_printk
2022-07-08 15:13:26 +02:00
bcm47xx
MIPS: BCM47XX: Cast memcmp() of function to (void *)
2022-09-19 16:46:01 +02:00
bcm63xx
MIPS: BCM63xx: Add check for NULL for clk in clk_enable
2022-12-09 23:37:06 +01:00
bmips
MIPS: BMIPS: Utilize cfe_die() for invalid DTB
2022-07-17 14:53:07 +02:00
boot
MIPS: dts: bcm63268: Add missing properties to the TWD node
2022-12-21 10:46:10 +01:00
cavium-octeon
MIPS: OCTEON: warn only once if deprecated link status is being used
2022-12-09 23:37:46 +01:00
cobalt
MIPS: Remove empty prom_free_prom_memory functions
2021-01-07 17:11:33 +01:00
configs
eth: fealnx: delete the driver for Myson MTD-800
2022-10-27 13:32:08 +02:00
crypto
crypto: Kconfig - simplify cipher entries
2022-08-26 18:50:43 +08:00
dec
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
fw
MIPS: CFE: Add cfe_die()
2022-07-17 14:52:47 +02:00
generic
arch: mips: generic: Add missing of_node_put() in board-ranchu.c
2022-06-21 17:04:30 +02:00
include
mips/mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE
2023-02-02 22:33:08 -08:00
ingenic
MIPS: Kconfig: ingenic: Ensure MACH_INGENIC_GENERIC selects all SoCs
2021-06-01 11:44:47 +02:00
jazz
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
kernel
Merge tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2022-12-12 17:28:58 -08:00
kvm
MIPS&LoongArch&NIOS2: adjust prototypes of p?d_init()
2022-12-11 18:12:11 -08:00
lantiq
Merge tag 'mips_6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2022-10-03 09:31:55 -07:00
lib
MIPS: Simplify __bswapdi2() and __bswapsi2()
2022-09-30 16:50:00 +02:00
loongson2ef
MIPS: Loongson2ef: remove orphan sbx00_acpi_init() declaration
2022-09-19 16:34:31 +02:00
loongson32
MIPS: Loongson32: Fix PHY-mode being left unspecified
2022-09-19 16:31:32 +02:00
loongson64
MIPS: Loongson64: Add WARN_ON on kexec related kmalloc failed
2022-11-11 15:45:06 +01:00
math-emu
MIPS: Fix comment typo
2022-09-12 15:33:24 +02:00
mm
MIPS&LoongArch&NIOS2: adjust prototypes of p?d_init()
2022-12-11 18:12:11 -08:00
mti-malta
mips: mti-malta: Fix refcount leak in malta-time.c
2022-06-21 17:04:30 +02:00
n64
mips: Add N64 machine type
2021-01-22 11:40:00 +01:00
net
bpf, mips: No need to use min() to get MAX_TAIL_CALL_CNT
2022-08-29 15:38:14 +02:00
pci
mips/pci: use devm_platform_ioremap_resource()
2022-12-02 16:48:52 +01:00
pic32
MIPS: pic32: treat port as signed integer
2022-11-11 15:53:58 +01:00
power
mips: check for dsp presence only once before save/restore
2019-10-07 10:58:53 -07:00
ralink
of/fdt: run soc memory setup when early_init_dt_scan_memory fails
2023-01-03 18:41:01 -06:00
rb532
MIPS: rb532: move GPIOD definition into C-files
2022-03-30 20:26:26 +02:00
sgi-ip22
mips: sgi-ip22: Drop redundant check from .remove()
2022-07-05 11:10:17 +02:00
sgi-ip27
MIPS: SGI-IP27: Fix platform-device leak in bridge_platform_create()
2022-09-19 16:33:27 +02:00
sgi-ip30
MIPS: SGI-IP30: Fix platform-device leak in bridge_platform_create()
2022-09-19 16:32:54 +02:00
sgi-ip32
MIPS: Allow modules to set board_be_handler
2021-11-09 16:07:26 +01:00
sibyte
MIPS: remove orphan sb1250_time_init() declaration
2022-09-24 11:46:58 +02:00
sni
MIPS: sni: Fix the build
2021-10-18 18:09:54 +02:00
tools
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
txx9
MIPS: fix typos in comments
2022-05-04 22:22:59 +02:00
vdso
MIPS: Use "grep -E" instead of "egrep"
2022-11-21 17:56:53 +01:00
Kbuild
kbuild: use more subdir- for visiting subdirectories while cleaning
2021-10-24 13:49:46 +09:00
Kbuild.platforms
MIPS: Remove VR41xx support
2022-07-14 11:52:29 +02:00
Kconfig
mm: Rename GUP_GET_PTE_LOW_HIGH
2022-12-15 10:37:27 -08:00
Kconfig.debug
tracing: Refactor TRACE_IRQFLAGS_SUPPORT in Kconfig
2021-08-16 11:37:21 -04:00
Makefile
MIPS: Use "grep -E" instead of "egrep"
2022-11-21 17:56:53 +01:00
Makefile.postlink
MIPS: fix indentation of the 'RELOCS' message
2020-01-20 15:37:30 -08:00