cma_init_reserved_mem(9)

💖 cma_init_reserved_mem 💖

okay so bestie, this is the Kernel API Manual, section 9, and we're talking about cma_init_reserved_mem — it's giving reserved-memory makeover energy. ✨

🌸 NAME 🌸

cma_init_reserved_mem — create custom contiguous area from reserved memory. periodt. 💅

✨ SYNOPSIS ✨

       int cma_init_reserved_mem (phys_addr_t base , phys_addr_t size ,
              unsigned int order_per_bit , const char *name , struct cma **res_cma );

🎀 ARGUMENTS 🎀

• base — base address of the reserved area. 📍
• size — size of the reserved area (in bytes), yes the comma is staying, bestie. 🍓
• order_per_bit — order of pages represented by one bit on bitmap. 🧠
• name — the name of the area. If this parameter is NULL, the name of the area will be set to "cmaN", where N is a running counter of used areas. 🏷️
• res_cma — pointer to store the created cma region. 🫶

💅 DESCRIPTION 💅

this function creates custom contiguous area from already reserved memory. that's it, that's the vibe — custom contiguous area, already reserved memory, no cap. 🔥

🔥 SEE ALSO 🔥

• Kernel file ./mm/cma.c
• cma_declare_contiguous_nid(9)
• cma_alloc(9)
• cma_release(9)

sending you off with source/version ./mm, dated October 2026 — page cma_init_reserved_mem(9), byeeee 💋✨