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Gerald Schaefer 1a6baaa0db s390/hugetlb: switch to generic version of follow_huge_pud() 
When pud-sized hugepages were introduced for s390, the generic version of
follow_huge_pud() was using pte_page() instead of pud_page().  This would
be wrong for s390, see also commit 9753412701 ("mm/hugetlb: use
pmd_page() in follow_huge_pmd()").  Therefore, and probably because not
all archs were supporting pud_page() at that time, a private version of
follow_huge_pud() was added for s390, correctly using pud_page().

Since commit 3a194f3f8a ("mm/hugetlb: make pud_huge() and
follow_huge_pud() aware of non-present pud entry"), the generic version of
follow_huge_pud() is now also using pud_page(), and in general behaves
similar to follow_huge_pmd().

Therefore we can now switch to the generic version and get rid of the
s390-specific follow_huge_pud().

Link: https://lkml.kernel.org/r/20220818135717.609eef8a@thinkpad
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Haiyue Wang <haiyue.wang@intel.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:26:01 -07:00
..
alpha mm/madvise: introduce MADV_COLLAPSE sync hugepage collapse 2022-09-11 20:25:46 -07:00
arc arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
arm arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
arm64 arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
csky arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
hexagon provide arch_test_bit_acquire for architectures that define test_bit 2022-08-27 09:49:54 -07:00
ia64 arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
loongarch arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
m68k arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
microblaze - The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe 2022-08-05 16:32:45 -07:00
mips arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
nios2 arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
openrisc Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
parisc mm/madvise: introduce MADV_COLLAPSE sync hugepage collapse 2022-09-11 20:25:46 -07:00
powerpc arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
riscv RISC-V Fixes for 6.0-rc3 2022-08-26 11:26:27 -07:00
s390 s390/hugetlb: switch to generic version of follow_huge_pud() 2022-09-11 20:26:01 -07:00
sh arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
sparc arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
um asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00
x86 Misc fixes: 2022-08-28 10:10:23 -07:00
xtensa arch: mm: rename FORCE_MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER 2022-09-11 20:25:56 -07:00
.gitignore
Kconfig asm goto: eradicate CC_HAS_ASM_GOTO 2022-08-21 10:06:28 -07:00