reserve_mem_release_by_name(9)

💖 reserve_mem_release_by_name(9) 💖

okay so bestie, welcome to the Kernel API Manual page for reserve_mem_release_by_name(9) — it’s giving “release the reserved memory by name” energy, and honestly? iconic ✨.

🌸 NAME 🌸

reserve_mem_release_by_name — Release reserved memory region with a given name. no cap, that’s literally the whole name vibe 🎀

✨ SYNOPSIS ✨

int reserve_mem_release_by_name (const char *name );

🫶 ARGUMENTS 🫶

• name — the name that is attached to a reserved memory region 💅 iykyk.

💫 DESCRIPTION 💫

okay so here’s the tea: this function forcibly releases the pages in the reserved memory region so that those memory can be used as free memory 🔥. after it’s released, the reserved region size becomes 0 — like, poof, zero, done 💀.

👑 RETURN 👑

it returns 1 if released, or 0 if not found. that’s the whole return situation, bestie 🫶.

🌈 SEE ALSO 🌈

the whole memblock extended universe is right here, and yes it’s a lot — collect them all, periodt 💅:

• Kernel file ./mm/memblock.c memblock overview(9)
• __memblock_find_range_bottom_up(9)
• __memblock_find_range_top_down(9)
• memblock_find_in_range_node(9)
• memblock_find_in_range(9)
• memblock_discard(9)
• memblock_double_array(9)
• memblock_merge_regions(9)
• memblock_insert_region(9)
• memblock_add_range(9)
• memblock_add_node(9)
• memblock_add(9)
• memblock_validate_numa_coverage(9)
• memblock_isolate_range(9)
• memblock_free(9)
• memblock_phys_free(9)
• memblock_setclr_flag(9)
• memblock_mark_hotplug(9)
• memblock_clear_hotplug(9)
• memblock_mark_mirror(9)
• memblock_mark_nomap(9)
• memblock_clear_nomap(9)
• memblock_reserved_mark_noinit(9)
• memblock_reserved_mark_kern(9)
• memblock_mark_kho_scratch(9)
• memblock_clear_kho_scratch(9)
• __next_mem_range(9)
• __next_mem_range_rev(9)
• memblock_set_node(9)
• memblock_alloc_range_nid(9)
• memblock_phys_alloc_range(9)
• memblock_phys_alloc_try_nid(9)
• memblock_alloc_internal(9)
• memblock_alloc_exact_nid_raw(9)
• memblock_alloc_try_nid_raw(9)
• memblock_alloc_hugetlb(9)
• memblock_alloc_try_nid(9)
• __memblock_alloc_or_panic(9)
• memblock_estimated_nr_free_pages(9)
• memblock_is_region_memory(9)
• memblock_is_region_reserved(9)
• memblock_free_all(9)
• reserve_mem_find_by_name(9)

mwah 💋 source/version ./mm, dated October 2026 — this was the reserve_mem_release_by_name(9) page, and she ate 💖.