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f2b79c0d79
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> |
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| .. | ||
| damon | ||
| active_mm.rst | ||
| arch_pgtable_helpers.rst | ||
| balance.rst | ||
| bootmem.rst | ||
| free_page_reporting.rst | ||
| frontswap.rst | ||
| highmem.rst | ||
| hmm.rst | ||
| hugetlbfs_reserv.rst | ||
| hwpoison.rst | ||
| index.rst | ||
| ksm.rst | ||
| memory-model.rst | ||
| mmu_notifier.rst | ||
| multigen_lru.rst | ||
| numa.rst | ||
| oom.rst | ||
| overcommit-accounting.rst | ||
| page_allocation.rst | ||
| page_cache.rst | ||
| page_frags.rst | ||
| page_migration.rst | ||
| page_owner.rst | ||
| page_reclaim.rst | ||
| page_table_check.rst | ||
| page_tables.rst | ||
| physical_memory.rst | ||
| process_addrs.rst | ||
| remap_file_pages.rst | ||
| shmfs.rst | ||
| slab.rst | ||
| slub.rst | ||
| split_page_table_lock.rst | ||
| swap.rst | ||
| transhuge.rst | ||
| unevictable-lru.rst | ||
| vmalloc.rst | ||
| vmalloced-kernel-stacks.rst | ||
| vmemmap_dedup.rst | ||
| z3fold.rst | ||
| zsmalloc.rst | ||