linux/Documentation/powerpc/index.rst
Aneesh Kumar K.V f2b79c0d79 powerpc/book3s64/radix: add support for vmemmap optimization for radix
With 2M PMD-level mapping, we require 32 struct pages and a single vmemmap
page can contain 1024 struct pages (PAGE_SIZE/sizeof(struct page)).  Hence
with 64K page size, we don't use vmemmap deduplication for PMD-level
mapping.

[aneesh.kumar@linux.ibm.com: ppc64: don't include radix headers if CONFIG_PPC_RADIX_MMU=n]
  Link: https://lkml.kernel.org/r/87zg3jw8km.fsf@linux.ibm.com
Link: https://lkml.kernel.org/r/20230724190759.483013-12-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:55 -07:00

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.. SPDX-License-Identifier: GPL-2.0
=======
powerpc
=======
.. toctree::
:maxdepth: 1
associativity
booting
bootwrapper
cpu_families
cpu_features
cxl
cxlflash
dawr-power9
dexcr
dscr
eeh-pci-error-recovery
elf_hwcaps
elfnote
firmware-assisted-dump
hvcs
imc
isa-versions
kaslr-booke32
mpc52xx
papr_hcalls
pci_iov_resource_on_powernv
pmu-ebb
ptrace
qe_firmware
syscall64-abi
transactional_memory
ultravisor
vas-api
vcpudispatch_stats
vmemmap_dedup
features
.. only:: subproject and html
Indices
=======
* :ref:`genindex`