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Will Deacon 0388f9c743 arm64: mm: Implement arch_wants_old_prefaulted_pte() 
On CPUs with hardware AF/DBM, initialising prefaulted PTEs as 'old'
improves vmscan behaviour and does not appear to introduce any overhead
elsewhere.

Implement arch_wants_old_prefaulted_pte() to return 'true' if we detect
hardware access flag support at runtime. This can be extended in future
based on MIDR matching if necessary.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
2021-01-20 14:46:04 +00:00
..
alpha local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
arc ARC: [hsdk]: Enable FPU_SAVE_RESTORE 2021-01-08 13:46:58 -08:00
arm xen: branch for v5.11-rc4 2021-01-15 10:52:00 -08:00
arm64 arm64: mm: Implement arch_wants_old_prefaulted_pte() 2021-01-20 14:46:04 +00:00
c6x tif-task_work.arch-2020-12-14 2020-12-16 12:33:35 -08:00
csky local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
h8300 local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
hexagon local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
ia64 local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
m68k local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
microblaze local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
mips - fix coredumps on 64bit kernels 2021-01-15 13:07:33 -08:00
nds32 local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
nios2 tif-task_work.arch-2020-12-14 2020-12-16 12:33:35 -08:00
openrisc local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
parisc local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
powerpc powerpc/vdso: Fix clock_gettime_fallback for vdso32 2021-01-14 15:56:44 +11:00
riscv RISC-V: Fix maximum allowed phsyical memory for RV32 2021-01-15 21:35:48 -08:00
s390 Merge branch 'kvm-master' into kvm-next 2021-01-07 18:06:52 -05:00
sh local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
sparc local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
um This pull request contains the following changes for UML: 2020-12-17 17:56:44 -08:00
x86 xen: branch for v5.11-rc4 2021-01-15 10:52:00 -08:00
xtensa local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
.gitignore
Kconfig fanotify: Fix sys_fanotify_mark() on native x86-32 2020-12-28 11:58:59 +01:00