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mm: make folio_pte_batch available outside of mm/memory.c
Barry Song authored 
madvise, mprotect and some others might need folio_pte_batch to check if a
range of PTEs are completely mapped to a large folio with contiguous
physical addresses.  Let's make it available in mm/internal.h.

While at it, add proper kernel doc and sanity-check more input parameters
using two additional VM_WARN_ON_FOLIO().

[21cnbao@gmail.com: build fix]
  Link: https://lkml.kernel.org/r/CAGsJ_4wWzG-37D82vqP_zt+Fcbz+URVe5oXLBc4M5wbN8A_gpQ@mail.gmail.com
[david@redhat.com: improve the doc for the exported func]
Link: https://lkml.kernel.org/r/20240227104201.337988-1-21cnbao@gmail.com


Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarBarry Song <v-songbaohua@oppo.com>
Suggested-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarRyan Roberts <ryan.roberts@arm.com>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
ac96cc4d
History
user avatar ac96cc4d
History
Name Last commit Last update
..
damon
kasan
kfence
kmsan
Kconfig
Kconfig.debug
Makefile
backing-dev.c
balloon_compaction.c
bootmem_info.c
cma.c
cma.h
cma_debug.c
cma_sysfs.c
compaction.c
debug.c
debug_page_alloc.c
debug_page_ref.c
debug_vm_pgtable.c
dmapool.c
dmapool_test.c
early_ioremap.c
fadvise.c
fail_page_alloc.c
failslab.c
filemap.c
folio-compat.c
gup.c
gup_test.c
gup_test.h
highmem.c
hmm.c
huge_memory.c
hugetlb.c
hugetlb_cgroup.c
hugetlb_vmemmap.c
hugetlb_vmemmap.h
hwpoison-inject.c
init-mm.c
internal.h
interval_tree.c
io-mapping.c
ioremap.c
khugepaged.c
kmemleak.c
ksm.c
list_lru.c
maccess.c
madvise.c
mapping_dirty_helpers.c
memblock.c
memcontrol.c
memfd.c
memory-failure.c
memory-tiers.c
memory.c
memory_hotplug.c
mempolicy.c
mempool.c
memremap.c
memtest.c
migrate.c
migrate_device.c
mincore.c
mlock.c
mm_init.c
mm_slot.h
mmap.c
mmap_lock.c
mmu_gather.c
mmu_notifier.c
mmzone.c
mprotect.c
mremap.c
msync.c
nommu.c
oom_kill.c
page-writeback.c
page_alloc.c
page_counter.c
page_ext.c
page_idle.c
page_io.c
page_isolation.c
page_owner.c
page_poison.c
page_reporting.c
page_reporting.h
page_table_check.c
page_vma_mapped.c
pagewalk.c
percpu-internal.h
percpu-km.c
percpu-stats.c
percpu-vm.c
percpu.c
pgalloc-track.h
pgtable-generic.c
process_vm_access.c
ptdump.c