vma_desc_is_cow_mapping(9)

okay bestie, welcome to vma_desc_is_cow_mapping(9) from the Kernel API Manual — name tag folded in right here, no need to copy the whole header line 🫶

💖 NAME 💖

vma_desc_is_cow_mapping — is this VMA descriptor a CoW mapping? 👀

✨ SYNOPSIS ✨

bool vma_desc_is_cow_mapping (struct vm_area_desc *desc );

🫶 ARGUMENTS 🫶

• desc — the VMA descriptor to check. 💅

🌸 DESCRIPTION 🌸

For the full deets, see vma_flags_is_cow_mapping — that's where the lore lives, fr fr ✨

🎀 RETURN 🎀

true if the VMA descriptor describes a CoW mapping, otherwise false 💖

🦋 SEE ALSO 🦋

Kernel file: ./include/linux/mm.h — and the SEE ALSO squad is:

• folio_page_idx(9)
• vma_flag_t(9)
• fault_flag_allow_retry_first(9)
• vma_kernel_pagesize(9)
• folio_order(9)
• folio_reset_order(9)
• folio_mapcount(9)
• folio_mapped(9)
• thp_order(9)
• thp_size(9)
• folio_get(9)
• folio_put(9)
• folio_put_refs(9)
• folios_put(9)
• vma_flags_is_cow_mapping(9)
• vma_is_cow_mapping(9)
• folio_pfn(9)
• folio_mk_pte(9)
• folio_mk_pmd(9)
• folio_mk_pud(9)
• folio_maybe_dma_pinned(9)
• is_zero_page(9)
• is_zero_folio(9)
• folio_nr_pages(9)
• folio_next(9)
• folio_shift(9)
• folio_size(9)
• folio_maybe_mapped_shared(9)
• folio_expected_ref_count(9)
• zap_vma(9)
• ptdesc_address(9)
• ptdesc_set_kernel(9)
• ptdesc_clear_kernel(9)
• ptdesc_test_kernel(9)
• pagetable_alloc(9)
• pagetable_free(9)
• vma_lookup(9)
• vma_start_pgoff(9)
• vma_end_pgoff(9)
• vma_last_pgoff(9)
• vma_start_anon_pgoff(9)
• vma_end_anon_pgoff(9)
• vma_last_anon_pgoff(9)
• mmap_action_remap(9)
• mmap_action_remap_full(9)
• mmap_action_ioremap(9)
• mmap_action_ioremap_full(9)
• mmap_action_simple_ioremap(9)
• mmap_action_map_kernel_pages(9)
• mmap_action_map_kernel_pages_full(9)
• range_is_subset(9)
• range_in_vma(9)
• range_in_vma_desc(9)
• clear_pages(9)

okay that's the whole page! footer tea at the very end: source/version ./include/linux, date October 2026, title vma_desc_is_cow_mapping(9) — bye bestie, slay your kernel journey 💅💖