On Mon, Jun 26, 2023 at 08:59:44PM -0600, Jens Axboe wrote: > On 6/26/23 8:33?PM, Kent Overstreet wrote: > > On Mon, Jun 26, 2023 at 07:13:54PM -0600, Jens Axboe wrote: > >> fs/bcachefs/alloc_background.c: In function ?bch2_check_alloc_info?: > >> fs/bcachefs/alloc_background.c:1526:1: warning: the frame size of 2640 bytes is larger than 2048 bytes [-Wframe-larger-than=] > >> 1526 | } > >> | ^ > >> fs/bcachefs/reflink.c: In function ?bch2_remap_range?: > >> fs/bcachefs/reflink.c:388:1: warning: the frame size of 2352 bytes is larger than 2048 bytes [-Wframe-larger-than=] > >> 388 | } > >> | ^ > > > > What version of gcc are you using? I'm not seeing either of those > > warnings - I'm wondering if gcc recently got better about stack usage > > when inlining. > > Using: > > gcc (Debian 13.1.0-6) 13.1.0 > > and it's on arm64, fwiw. OOI what PAGE_SIZE do you have configured? Sometimes fs data structures are PAGE_SIZE dependent (haven't looked at this particular bcachefs data structure). We've also had weirdness with various gcc versions on some architectures making different inlining decisions from x86.
