gmap_find_shadow(9)

✨ NAME ✨

okay so from the Kernel API Manual, this is gmap_find_shadow 💅 — it finds a specific ASCE in the list of shadow tables. that's the whole assignment, bestie. 🎀

🌸 SYNOPSIS 🌸

struct gmap * gmap_find_shadow (struct gmap *parent , union asce asce ,
       int edat_level );

🦋 ARGUMENTS 🦋

• parent — pointer to the parent gmap, periodt. 👑
• asce — the ASCE for which the shadow table is created. ✨
• edat_level — the Edat level to be used for the shadow translation. 💫

💅 CONTEXT 💅

Called with parent->children_lock held. like, this is the vibe check you cannot skip, okay? 🔒

🔥 RETURN 🔥

• returns the pointer to a gmap if a shadow table with the given asce is already available 🫶
• returns ERR_PTR(-EAGAIN) if another one is just being created 😭
• otherwise, returns NULL 💀

🌈 SEE ALSO 🌈

Kernel file: ./arch/s390/kvm/gmap/gmap.c

• gmap_new(9)
• gmap_dispose(9)
• s390_replace_asce(9)
• gmap_age_gfn(9)
• gmap_unmap_gfn_range(9)
• gmap_try_fixup_minor(9)
• gmap_2g_allowed(9)
• gmap_1m_allowed(9)
• gmap_ucas_translate(9)
• gmap_create_shadow(9)

mwah 💋 this page is gmap_find_shadow(9) from the Kernel API Manual, source/version ./arch/s390/kvm/gmap, dated October 2026. periodt. 🌟