Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > iirc i looked at doing this as part of the folio work, and it ended up > increasing the size of the kernel. Did you run bloat-o-meter on the > result of doing this? add/remove: 2/2 grow/shrink: 15/16 up/down: 408/-599 (-191) Function old new delta iomap_write_end_inline - 128 +128 try_to_free_swap 59 179 +120 page_to_index.part - 36 +36 page_size 432 456 +24 PageTransCompound 154 175 +21 truncate_inode_pages_range 791 807 +16 invalidate_inode_pages2_range 504 518 +14 ceph_uninline_data 969 982 +13 iomap_read_inline_data.isra 129 139 +10 page_cache_pipe_buf_confirm 85 93 +8 ceph_writepages_start 3237 3243 +6 hpage_pincount_available 94 97 +3 __collapse_huge_page_isolate 768 771 +3 page_vma_mapped_walk 1070 1072 +2 PageHuge 39 41 +2 collapse_file 2046 2047 +1 __free_pages_ok 449 450 +1 wait_on_page_bit_common 598 597 -1 iomap_page_release 104 103 -1 change_pte_range 818 817 -1 pageblock_skip_persistent 45 42 -3 is_transparent_hugepage 63 60 -3 nfs_readpage 486 482 -4 ext4_readpage_inline 155 151 -4 release_pages 640 635 -5 ext4_write_inline_data_end 286 281 -5 ext4_mb_load_buddy_gfp 690 684 -6 afs_dir_check 536 529 -7 page_trans_huge_map_swapcount 374 363 -11 io_uring_mmap 199 184 -15 io_buffer_account_pin 276 259 -17 page_to_index 50 - -50 iomap_write_end 375 306 -69 try_to_free_swap.part 137 - -137 PageUptodate 716 456 -260 Total: Before=17207139, After=17206948, chg -0.00%
