readahead_count(9)

✨ NAME ✨

okay so bestie, welcome to readahead_count(9) from the Kernel API Manual — we're literally just here to talk about the number of pages in this readahead request. that's the whole plot, no cap. 💅

🦋 SYNOPSIS 🦋

unsigned int readahead_count (const struct readahead_control *rac );

🎀 ARGUMENTS 🎀

• rac — the readahead request. that's it, that's the argument. iconic minimalism, honestly. ✨

💖 SEE ALSO 💖

the kernel file is ./include/linux/pagemap.h, and the whole cross-reference friend group is:

• filemap_set_wb_err(9)
• filemap_check_wb_err(9)
• filemap_sample_wb_err(9)
• file_sample_sb_err(9)
• mapping_set_error(9)
• mapping_set_large_folios(9)
• mapping_align_index(9)
• mapping_pmd_folio_support(9)
• folio_flush_mapping(9)
• folio_inode(9)
• folio_attach_private(9)
• folio_change_private(9)
• folio_detach_private(9)
• fgf_t(9)
• fgf_set_order(9)
• write_begin_get_folio(9)
• filemap_get_folio(9)
• filemap_lock_folio(9)
• filemap_grab_folio(9)
• find_get_page(9)
• find_lock_page(9)
• find_or_create_page(9)
• grab_cache_page_nowait(9)
• folio_next_index(9)
• folio_next_pos(9)
• folio_file_page(9)
• folio_contains(9)
• page_pgoff(9)
• folio_pos(9)
• linear_page_delta(9)
• linear_page_index(9)
• linear_anon_page_index(9)
• folio_trylock(9)
• folio_lock(9)
• lock_page(9)
• folio_lock_killable(9)
• filemap_range_needs_writeback(9)
• struct readahead_control(9)
• page_cache_sync_readahead(9)
• page_cache_async_readahead(9)
• readahead_folio(9)
• readahead_pos(9)
• readahead_length(9)
• readahead_index(9)
• readahead_batch_length(9)
• folio_mkwrite_check_truncate(9)
• i_blocks_per_folio(9)

mwah 💋 this lil page comes from ./include/linux, dated October 2026, and it's readahead_count(9) — periodt. 🫶