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928930c2e0a8e1d9252aedb1fa9be83c3669dfd7
linux/include/asm-generic
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David Woodhouse 928930c2e0 mm: implement for_each_valid_pfn() for CONFIG_FLATMEM 
In the FLATMEM case, the default pfn_valid() just checks that the PFN is
within the range [ ARCH_PFN_OFFSET ..  ARCH_PFN_OFFSET + max_mapnr ).

The for_each_valid_pfn() function can therefore be a simple for() loop
using those as min/max respectively.

Link: https://lkml.kernel.org/r/20250423133821.789413-3-dwmw2@infradead.org
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Marc Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Ruihan Li <lrh2000@pku.edu.cn>
Cc: Will Deacon <will@kernel.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-05-12 23:50:43 -07:00
..
bitops
bitops: Change function return types from long to int
2024-05-03 17:04:50 +02:00
vdso
vdso: Rework struct vdso_time_data and introduce struct vdso_clock
2025-03-08 14:37:41 +01:00
access_ok.h
uaccess: remove CONFIG_SET_FS
2022-02-25 09:36:06 +01:00
agp.h
char/agp: introduce asm-generic/agp.h
2023-02-13 22:13:29 +01:00
archrandom.h
random: handle archrandom with multiple longs
2022-07-25 13:26:14 +02:00
asm-offsets.h
…
asm-prototypes.h
…
atomic64.h
locking/atomic: delete !ARCH_ATOMIC remnants
2021-05-26 13:20:52 +02:00
atomic.h
locking/atomic: make atomic*_{cmp,}xchg optional
2023-06-05 09:57:14 +02:00
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
sched: Add missing memory barrier in switch_mm_cid
2024-04-16 13:59:45 +02:00
bitops.h
include: move find.h from asm_generic to linux
2022-01-15 08:47:31 -08:00
bitsperlong.h
lib: extend the scope of small_const_nbits() macro
2021-05-06 19:24:11 -07:00
bug.h
bug: Improve comment
2024-05-07 14:20:48 +02:00
cache.h
…
cacheflush.h
mm: Introduce flush_cache_vmap_early()
2023-12-14 00:23:17 -08:00
cfi.h
cfi: Flip headers
2023-12-15 16:25:55 -08:00
checksum.h
asm-generic: Improve csum_fold
2024-01-17 17:52:29 -08:00
cmpxchg-local.h
asm-generic: Fix 32 bit __generic_cmpxchg_local
2024-01-05 23:19:14 +01:00
cmpxchg.h
asm-generic: avoid __generic_cmpxchg_local warnings
2023-04-04 17:58:11 +02:00
codetag.lds.h
alloc_tag: load module tags into separate contiguous memory
2024-11-07 14:25:16 -08:00
compat.h
asm-generic: compat: fix compat_arg_u64() and compat_arg_u64_dual()
2022-11-01 10:20:11 +11:00
current.h
asm-generic: current: Don't include thread-info.h if building asm
2023-08-26 22:38:49 +02:00
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-mapping: no need to pass a bus_type into get_arch_dma_ops()
2023-02-15 12:35:20 +01:00
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
docs: fault-injection: add requirements of error injectable functions
2023-02-02 22:50:00 -08:00
exec.h
…
extable.h
…
fixmap.h
fixmap: Remove unused set_fixmap_offset_io()
2024-07-11 17:41:23 +02:00
flat.h
…
fprobe.h
fprobe: Add fprobe_header encoding feature
2024-12-26 10:50:05 -05:00
ftrace.h
…
futex.h
futex: Fix additional regressions
2021-12-11 23:31:51 +01:00
getorder.h
asm-generic: force inlining of get_order() to work around gcc10 poor decision
2020-12-15 22:46:15 -08:00
hardirq.h
irqstat: Move declaration into asm-generic/hardirq.h
2020-11-23 10:31:06 +01:00
hugetlb.h
mm: remove mk_huge_pte()
2025-05-11 17:48:04 -07:00
hw_irq.h
…
int-ll64.h
…
io.h
Merge tag 'mm-stable-2025-03-30-16-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-04-01 09:29:18 -07:00
ioctl.h
…
iomap.h
asm-generic/io.h: rework split ioread64/iowrite64 helpers
2025-03-01 21:00:22 +01:00
irq_regs.h
…
irq_work.h
…
irq.h
…
irqflags.h
…
Kbuild
rqspinlock: Add entry to Makefile, MAINTAINERS
2025-03-19 08:03:05 -07:00
kdebug.h
…
kmap_size.h
mm/highmem: Provide and use CONFIG_DEBUG_KMAP_LOCAL
2020-11-24 14:42:08 +01:00
kprobes.h
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
kvm_para.h
…
kvm_types.h
KVM: Move x86's version of struct kvm_mmu_memory_cache to common code
2020-07-09 13:29:42 -04:00
linkage.h
…
local64.h
locking/generic: Wire up local{,64}_try_cmpxchg()
2023-04-29 09:09:09 +02:00
local.h
locking/generic: Wire up local{,64}_try_cmpxchg()
2023-04-29 09:09:09 +02:00
logic_io.h
logic_io instance of iounmap() needs volatile on argument
2021-12-21 21:31:08 +01:00
mcs_spinlock.h
locking: Move MCS struct definition to public header
2025-03-18 10:28:21 -07:00
memory_model.h
mm: implement for_each_valid_pfn() for CONFIG_FLATMEM
2025-05-12 23:50:43 -07:00
mm_hooks.h
mm: remove arch_unmap()
2024-09-01 20:26:13 -07:00
mmiowb_types.h
…
mmiowb.h
asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
2020-07-17 10:02:03 +01:00
mmu_context.h
asm-generic: add generic MMU versions of mmu context functions
2020-10-26 16:45:03 +01:00
mmu.h
…
mmzone.h
arch, mm: move definition of node_data to generic code
2024-09-03 21:15:28 -07:00
module.h
asm-generic: Always define Elf_Rel and Elf_Rela
2025-03-26 15:56:43 -07:00
module.lds.h
kbuild: preprocess module linker script
2020-09-25 00:36:41 +09:00
mshyperv.h
x86: hyperv: Add mshv_handler() irq handler and setup function
2025-03-20 21:23:04 +00:00
msi.h
genirq: Get rid of GENERIC_MSI_IRQ_DOMAIN
2022-11-17 15:15:20 +01:00
nommu_context.h
asm-generic: add generic MMU versions of mmu context functions
2020-10-26 16:45:03 +01:00
numa.h
arch_numa: switch over to numa_memblks
2024-09-03 21:15:32 -07:00
param.h
…
parport.h
…
pci_iomap.h
PCI: Stub __pci_ioport_map() for arches that don't support it at all
2022-07-29 12:01:00 -05:00
pci.h
asm-generic: Add new pci.h and use it
2022-07-22 17:34:57 -05:00
percpu.h
percpu: repurpose __percpu tag as a named address space qualifier
2025-03-16 22:05:53 -07:00
pgalloc.h
mm: call ctor/dtor for kernel PTEs
2025-05-11 17:48:21 -07:00
pgtable_uffd.h
userfaultfd: wp: add pmd_swp_*uffd_wp() helpers
2020-04-07 10:43:39 -07:00
pgtable-nop4d.h
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
2021-07-08 11:48:22 -07:00
pgtable-nopmd.h
mm: recover pud_leaf() definitions in nopmd case
2024-03-13 12:12:21 -07:00
pgtable-nopud.h
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
2021-07-08 11:48:22 -07:00
preempt.h
riscv: support PREEMPT_DYNAMIC with static keys
2023-08-31 00:18:34 -07:00
qrwlock_types.h
locking/qrwlock: Change "queue rwlock" to "queued rwlock"
2022-05-11 16:27:04 +02:00
qrwlock.h
Merge tag 'asm-generic-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2022-05-26 10:50:30 -07:00
qspinlock_types.h
locking/qspinlock: Do not include atomic.h from qspinlock_types.h
2020-07-29 16:14:19 +02:00
qspinlock.h
riscv: Add qspinlock support
2024-11-11 07:33:20 -08:00
resource.h
…
rqspinlock.h
bpf: Introduce rqspinlock kfuncs
2025-03-19 08:03:06 -07:00
runtime-const.h
runtime constants: add default dummy infrastructure
2024-06-19 12:34:34 -07:00
rwonce.h
rwonce: fix crash by removing READ_ONCE() for unaligned read
2025-03-26 22:16:50 +01:00
seccomp.h
seccomp: Use -1 marker for end of mode 1 syscall list
2020-07-10 16:01:52 -07:00
sections.h
percpu: Remove __per_cpu_load
2025-02-18 10:16:00 +01:00
serial.h
…
set_memory.h
…
shmparam.h
…
signal.h
asm-generic: Remove empty #ifdef SA_RESTORER
2022-09-10 09:56:53 +02:00
simd.h
…
softirq_stack.h
asm-generic: Conditionally enable do_softirq_own_stack() via Kconfig.
2022-09-05 17:20:55 +02:00
spinlock_types.h
asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock
2024-11-11 07:33:16 -08:00
spinlock.h
asm-generic: ticket-lock: Add separate ticket-lock.h
2024-11-11 07:33:17 -08:00
statfs.h
…
string.h
…
switch_to.h
…
syscall.h
syscall.h: introduce syscall_set_nr()
2025-05-11 17:48:15 -07:00
syscalls.h
syscalls: mmap(): use unsigned offset type consistently
2024-06-25 15:57:38 +02:00
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: remove tlb_remove_page_ptdesc()
2025-04-01 15:17:14 -07:00
tlbflush.h
…
topology.h
mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA
2021-06-29 10:53:55 -07:00
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
arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
2020-04-23 10:50:26 +09:00
vga.h
empty include/asm-generic/vga.h
2024-11-11 21:51:42 +01:00
video.h
arch: Rename fbdev header and source files
2024-05-03 17:07:50 +02:00
vmlinux.lds.h
Merge tag 'x86-fpu-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:27:18 -07:00
word-at-a-time.h
kernel.h: removed REPEAT_BYTE from kernel.h
2024-02-01 09:47:59 -08:00
xor.h
lib/xor: make xor prototypes more friendly to compiler vectorization
2022-02-11 20:39:39 +11:00