ttm_backup_fini(9)

💅 ttm_backup_fini — free the struct backup resources after last use ✨

okay so this is ttm_backup_fini(9) from the Kernel API Manual, and bestie it's a short one but it's important, so pay attention 🫶

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✨ SYNOPSIS ✨

void ttm_backup_fini (struct file *backup);

that's it. that's the whole call. no return value, no drama, just a void and a dream 💖

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🎀 ARGUMENTS 🎀

• backup — pointer to the struct backup whose resources we're freeing. yes, it's typed struct file * in the signature, and no, we're not gonna argue about it, that's just how it is 🙈 it's the backup you're saying bye to 🌸

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🦋 DESCRIPTION 🦋

so here's the tea ☕: this function frees the resources of that struct backup. it's the "we're done here, clean up your room" of the TTM backup world 🧹✨

the actual warning, no cap: after a call to this function, it's illegal to use the backup pointer. like, genuinely illegal. use-after-free vibe check = failed 💀 do not touch it, do not look at it, do not pass it to your friends. it's gone, periodt 👑

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/ttm/ttm_backup.c
• ttm_backup_drop(9)
• ttm_backup_copy_page(9)
• ttm_backup_backup_folio(9)
• ttm_backup_bytes_avail(9)
• ttm_backup_shmem_create(9)

go read those too, they're iconic in their own right 👑✨

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and that's the whole page bestie!! 🎀 this came out of ./drivers/gpu/drm/ttm, dated October 2026, so like, mark your calendars 💜 mwah, go free your resources responsibly 🧚‍♀️💖