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abfe041de01f16d74df522d92cf5e3f6523971dd
linux/mm
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Christophe Leroy 86d0c16427 mm/ioremap: fix iomap_max_page_shift 
iomap_max_page_shift is expected to contain a page shift, so it can't be a
'bool', has to be an 'unsigned int'

And fix the default values: P4D_SHIFT is when huge iomap is allowed.

However, on some architectures (eg: powerpc book3s/64), P4D_SHIFT is not a
constant so it can't be used to initialise a static variable.  So,
initialise iomap_max_page_shift with a maximum shift supported by the
architecture, it is gated by P4D_SHIFT in vmap_try_huge_p4d() anyway.

Link: https://lkml.kernel.org/r/ad2d366015794a9f21320dcbdd0a8eb98979e9df.1620898113.git.christophe.leroy@csgroup.eu
Fixes: bbc180a5ad ("mm: HUGE_VMAP arch support cleanup")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-05-14 19:41:32 -07:00
..
kasan
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
kfence
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
backing-dev.c
…
balloon_compaction.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
cleancache.c
…
cma_debug.c
mm/cma: change cma mutex to irq safe spinlock
2021-05-05 11:27:21 -07:00
cma_sysfs.c
mm: cma: support sysfs
2021-05-05 11:27:24 -07:00
cma.c
mm: use proper type for cma_[alloc|release]
2021-05-05 11:27:24 -07:00
cma.h
mm: cma: support sysfs
2021-05-05 11:27:24 -07:00
compaction.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm: HUGE_VMAP arch support cleanup
2021-04-30 11:20:40 -07:00
debug.c
…
dmapool.c
mm/dmapool: switch from strlcpy to strscpy
2021-04-30 11:20:39 -07:00
early_ioremap.c
…
fadvise.c
…
failslab.c
…
filemap.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
frontswap.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
gup_test.c
selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages
2021-05-05 11:27:26 -07:00
gup_test.h
selftests/vm: gup_test: fix test flag
2021-05-05 11:27:26 -07:00
gup.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
highmem.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
hmm.c
…
huge_memory.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
hugetlb_cgroup.c
hugetlb: make free_huge_page irq safe
2021-05-05 11:27:22 -07:00
hugetlb.c
mm/hugetlb: fix cow where page writtable in child
2021-05-14 19:41:32 -07:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
interval_tree.c
mm/interval_tree: add comments to improve code readability
2021-04-30 11:20:38 -07:00
io-mapping.c
mm: add a io_mapping_map_user helper
2021-04-30 11:20:39 -07:00
ioremap.c
mm/ioremap: fix iomap_max_page_shift
2021-05-14 19:41:32 -07:00
Kconfig
mm,memory_hotplug: allocate memmap from the added memory range
2021-05-05 11:27:26 -07:00
Kconfig.debug
…
khugepaged.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
kmemleak.c
mm/kmemleak.c: fix a typo
2021-04-30 11:20:36 -07:00
ksm.c
ksm: revert "use GET_KSM_PAGE_NOLOCK to get ksm page in remove_rmap_item_from_tree()"
2021-05-14 19:41:32 -07:00
list_lru.c
mm: vmscan: consolidate shrinker_maps handling code
2021-05-05 11:27:23 -07:00
maccess.c
…
madvise.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
Makefile
mm,memory_hotplug: add kernel boot option to enable memmap_on_memory
2021-05-05 11:27:27 -07:00
mapping_dirty_helpers.c
mm/mapping_dirty_helpers: guard hugepage pud's usage
2021-04-16 16:10:37 -07:00
memblock.c
…
memcontrol.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
memfd.c
…
memory_hotplug.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
memory-failure.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
memory.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
mempolicy.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
mempool.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
memremap.c
mm/memremap.c: fix improper SPDX comment style
2021-04-30 11:20:37 -07:00
memtest.c
…
migrate.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
mincore.c
…
mlock.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
mm_init.c
include/linux/page-flags-layout.h: cleanups
2021-04-30 11:20:42 -07:00
mmap_lock.c
…
mmap.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
mmu_gather.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
mmu_notifier.c
…
mmzone.c
…
mprotect.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
mremap.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
msync.c
mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start
2021-04-30 11:20:37 -07:00
nommu.c
mm/vmalloc: remove vwrite()
2021-05-07 00:26:34 -07:00
oom_kill.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
page_alloc.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
page_counter.c
mm: page_counter: mitigate consequences of a page_counter underflow
2021-04-30 11:20:38 -07:00
page_ext.c
…
page_idle.c
…
page_io.c
…
page_isolation.c
…
page_owner.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
page_poison.c
mm: page_poison: print page info when corruption is caught
2021-04-30 11:20:36 -07:00
page_reporting.c
…
page_reporting.h
…
page_vma_mapped.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
page-writeback.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pagewalk.c
…
percpu-internal.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
mm/vmalloc: remove unmap_kernel_range
2021-04-30 11:20:40 -07:00
percpu.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pgalloc-track.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pgtable-generic.c
…
process_vm_access.c
mm/process_vm_access.c: remove duplicate include
2021-05-05 11:27:27 -07:00
ptdump.c
mm: ptdump: fix build failure
2021-04-16 16:10:37 -07:00
readahead.c
mm: Implement readahead_control pageset expansion
2021-04-23 10:14:29 +01:00
rmap.c
mm: fix some typos and code style problems
2021-05-07 00:26:33 -07:00
rodata_test.c
…
shmem.c
userfaultfd: release page in error path to avoid BUG_ON
2021-05-14 19:41:32 -07:00
shuffle.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
shuffle.h
…
slab_common.c
mm, slub: move slub_debug static key enabling outside slab_mutex
2021-05-14 19:41:32 -07:00
slab.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
slab.h
kasan, mm: integrate slab init_on_alloc with HW_TAGS
2021-04-30 11:20:41 -07:00
slob.c
…
slub.c
mm, slub: move slub_debug static key enabling outside slab_mutex
2021-05-14 19:41:32 -07:00
sparse-vmemmap.c
…
sparse.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
swap_cgroup.c
…
swap_slots.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
swap_state.c
mm: fix some typos and code style problems
2021-05-07 00:26:33 -07:00
swap.c
mm: fix some typos and code style problems
2021-05-07 00:26:33 -07:00
swapfile.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
truncate.c
mm: stop accounting shadow entries
2021-05-05 11:27:19 -07:00
usercopy.c
…
userfaultfd.c
userfaultfd: add UFFDIO_CONTINUE ioctl
2021-05-05 11:27:22 -07:00
util.c
mm/util.c: fix typo
2021-05-05 11:27:25 -07:00
vmacache.c
…
vmalloc.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
vmpressure.c
…
vmscan.c
mm/mempool: minor coding style tweaks
2021-05-05 11:27:27 -07:00
vmstat.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
workingset.c
mm: stop accounting shadow entries
2021-05-05 11:27:19 -07:00
z3fold.c
mm: fix some typos and code style problems
2021-05-07 00:26:33 -07:00
zbud.c
…
zpool.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
zsmalloc.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
zswap.c
mm/zswap.c: switch from strlcpy to strscpy
2021-05-05 11:27:27 -07:00