STRUCT VB2_VMAREA_HANDLER(9)

💖 struct vb2_vmarea_handler(9) 💖

okay so bestie, welcome to the Kernel API Manual, section 9 — this page is literally all about struct vb2_vmarea_handler, and no cap it's the common vma refcount tracking handler. it's giving “small struct, big refcount energy” ✨

✨ NAME ✨

struct vb2_vmarea_handler — common vma refcount tracking handler. periodt 💅

🦋 SYNOPSIS 🦋

struct vb2_vmarea_handler {
    refcount_t *refcount;
    void (*put)(void *arg);
    void *arg;
 };

🎀 Members 🎀

• refcount — a pointer to the refcount_t entry in the buffer. that's the counter being tracked, iykyk 👑
• put — callback to the function that decreases the buffer refcount. yes bestie, it's the “put it back down” function 🫶
• arg — the argument for the put callback. it gets passed along, fr fr 💜

🌈 SEE ALSO 🌈

• Kernel file ./include/media/videobuf2-memops.h — that's the kernel file, go peek 👀

mwah 💋 this page comes from ./include/media, dated October 2026, and it's for struct vb2_vmarea_handler(9) — slay, bye 💖