create_mem_extents(9)

💖 create_mem_extents(9) — Kernel API Manual 💖

okay so this is the page for create_mem_extents, and it's literally giving kernel-memory-list realness ✨ bestie, you're gonna get it.

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🌸 NAME

create_mem_extents — create a list of memory extents, periodt 💅

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✨ SYNOPSIS

int create_mem_extents (struct list_head *list , gfp_t gfp_mask );

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🎀 ARGUMENTS

• list — the list to put the extents into, no cap.
• gfp_mask — the mask to use for memory allocations, fr fr.

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🦋 DESCRIPTION

The extents represent contiguous ranges of PFNs. That's the whole vibe. Contiguous ranges of PFNs — iconic, lowkey, and exactly what it says 💖

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🌈 SEE ALSO

Kernel file: ./kernel/power/snapshot.c

• get_image_page(9)
• free_image_page(9)
• alloc_rtree_node(9)
• free_mem_extents(9)
• memory_bm_next_pfn(9)
• mark_nosave_pages(9)
• create_basic_memory_bitmaps(9)
• free_basic_memory_bitmaps(9)
• snapshot_additional_pages(9)
• count_free_highmem_pages(9)
• count_highmem_pages(9)
• count_data_pages(9)
• swsusp_free(9)
• preallocate_image_pages(9)
• free_unnecessary_pages(9)
• minimum_image_size(9)
• hibernate_preallocate_memory(9)
• pack_pfns(9)
• snapshot_read_next(9)
• unpack_orig_pfns(9)
• count_highmem_image_pages(9)
• prepare_highmem_image(9)
• copy_last_highmem_page(9)
• prepare_image(9)
• snapshot_write_next(9)
• restore_highmem(9)

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and that's the tea, bestie — source/version ./kernel/power, date October 2026, page create_mem_extents(9) 🫶💅