i915_ttm_purge(9)

✨ NAME ✨

okay bestie, welcome to the i915_ttm_purge(9) page from the Kernel API Manual 💅 The name is literally i915_ttm_purge — Clear an object of its memory. That’s the whole assignment, and it’s giving cleanup era. Slay. ✨

🦋 SYNOPSIS 🦋

int i915_ttm_purge (struct drm_i915_gem_object *obj );

Bestie, it takes one struct drm_i915_gem_object * named obj and returns an int. Simple, iconic, no cap. 🫶

🌸 ARGUMENTS 🌸

• obj — the object. That’s the thing whose memory is getting cleared. main character object energy 🎀

💖 DESCRIPTION 💖

This function is called to clear an object of its memory when it is marked as not needed anymore. So ngl, it’s the cleanup crew for objects that are done being useful — literally called when the object is no longer needed. Periodt. 🧹✨

🔥 RETURN 🔥

• 0 on success — a clean win, we love to see it 🫶
• a negative error code on failure — not the vibe, but it tells you what’s up 😭

👑 SEE ALSO 👑

The linked lore, preserved exactly so you can follow the rabbit hole:

• Kernel file ./drivers/gpu/drm/i915/gem/i915_gem_ttm.c struct i915_ttm_tt(9)
• i915_ttm_sys_placement(9)
• i915_ttm_free_cached_io_rsgt(9)
• i915_ttm_resource_get_st(9)
• i915_ttm_resource_mappable(9)
• i915_ttm_driver(9)
• Migration vs eviction(9)
• i915_ttm_adjust_lru(9)

source/version: ./drivers/gpu/drm/i915/gem 🫶 date: October 2026 🎀 page: i915_ttm_purge(9) ✨