linux/include/asm-generic
Kevin Brodsky d95936a226 mm: introduce ctor/dtor at PGD level
Following on from the introduction of P4D-level ctor/dtor, let's finish
the job and introduce ctor/dtor at PGD level.  The incurred improvement in
page accounting is minimal - the main motivation is to create a single,
generic place where construction/destruction hooks can be added for all
page table pages.

This patch should cover all architectures and all configurations where
PGDs are one or more regular pages.  This excludes any configuration where
PGDs are allocated from a kmem_cache object.

Link: https://lkml.kernel.org/r/20250103184415.2744423-7-kevin.brodsky@arm.com
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-01-25 20:22:24 -08:00
..
bitops
vdso vdso: Remove timekeeper argument of __arch_update_vsyscall() 2024-10-15 17:50:28 +02:00
Kbuild move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
access_ok.h
agp.h
archrandom.h
asm-offsets.h
asm-prototypes.h
atomic.h
atomic64.h
audit_change_attr.h fs/xattr: add *at family syscalls 2024-11-06 12:59:44 -05:00
audit_dir_write.h
audit_read.h
audit_signal.h
audit_write.h
barrier.h
bitops.h
bitsperlong.h
bug.h
cache.h
cacheflush.h
cfi.h
checksum.h
cmpxchg-local.h
cmpxchg.h
codetag.lds.h alloc_tag: load module tags into separate contiguous memory 2024-11-07 14:25:16 -08:00
compat.h
current.h
delay.h delay: Fix ndelay() spuriously treated as udelay() 2024-11-29 11:40:22 +01:00
device.h
div64.h __arch_xprod64(): make __always_inline when optimizing for performance 2024-10-28 21:44:28 +00:00
dma-mapping.h
dma.h
early_ioremap.h mm/early_ioremap: add null pointer checks to prevent NULL-pointer dereference 2025-01-13 22:40:59 -08:00
emergency-restart.h
error-injection.h
exec.h
extable.h
fixmap.h
flat.h
ftrace.h
futex.h
getorder.h
hardirq.h
hugetlb.h mm: consolidate common checks in hugetlb_get_unmapped_area 2024-11-06 20:11:10 -08:00
hw_irq.h
hyperv-tlfs.h
int-ll64.h
io.h New implementation for IO memcpy and IO memset 2024-10-28 21:44:29 +00:00
ioctl.h
iomap.h
irq.h
irq_regs.h
irq_work.h
irqflags.h
kdebug.h
kmap_size.h
kprobes.h
kvm_para.h
kvm_types.h
linkage.h
local.h
local64.h
logic_io.h
mcs_spinlock.h
memory_model.h asm-generic: add an optional pfn_valid check to page_to_phys 2024-10-28 21:44:28 +00:00
mm_hooks.h mm: remove arch_unmap() 2024-09-01 20:26:13 -07:00
mmiowb.h
mmiowb_types.h
mmu.h
mmu_context.h
mmzone.h arch, mm: move definition of node_data to generic code 2024-09-03 21:15:28 -07:00
module.h
module.lds.h
mshyperv.h
msi.h
nommu_context.h
numa.h arch_numa: switch over to numa_memblks 2024-09-03 21:15:32 -07:00
param.h
parport.h
pci.h
pci_iomap.h
percpu.h
pgalloc.h mm: introduce ctor/dtor at PGD level 2025-01-25 20:22:24 -08:00
pgtable-nop4d.h
pgtable-nopmd.h
pgtable-nopud.h
pgtable_uffd.h
preempt.h
qrwlock.h
qrwlock_types.h
qspinlock.h riscv: Add qspinlock support 2024-11-11 07:33:20 -08:00
qspinlock_types.h
resource.h
runtime-const.h
rwonce.h
seccomp.h
sections.h
serial.h
set_memory.h
shmparam.h
signal.h
simd.h
softirq_stack.h
spinlock.h asm-generic: ticket-lock: Add separate ticket-lock.h 2024-11-11 07:33:17 -08:00
spinlock_types.h asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock 2024-11-11 07:33:16 -08:00
statfs.h
string.h
switch_to.h
syscall.h
syscalls.h
text-patching.h asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
ticket_spinlock.h riscv: Add qspinlock support 2024-11-11 07:33:20 -08:00
timex.h
tlb.h mm: pgtable: introduce generic pagetable_dtor_free() 2025-01-25 20:22:23 -08:00
tlbflush.h
topology.h
trace_clock.h
uaccess.h move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
user.h
vermagic.h
vga.h empty include/asm-generic/vga.h 2024-11-11 21:51:42 +01:00
video.h
vmlinux.lds.h Rename .data.once to .data..once to fix resetting WARN*_ONCE 2024-11-27 09:38:27 +09:00
word-at-a-time.h
xor.h