On Wed, Nov 15, 2017 at 08:09:15PM +0000, Nick Terrell wrote: > On 11/15/17, 6:41 AM, "David Sterba" <dste...@suse.cz> wrote: > > The branch is now in a state that can be tested. Turns out the memory > > requirements are too much for grub, so the boot fails with "not enough > > memory". The calculated value > > > > ZSTD_BTRFS_MAX_INPUT: 131072 > > ZSTD_DStreamWorkspaceBound with ZSTD_BTRFS_MAX_INPUT: 549424 > > > > This is not something I could fix easily, we'd probalby need a tuned > > version of ZSTD for grub constraints. Adding Nick to CC. > > If I understand the grub code correctly, we only need to read, and we have > the entire input and output buffer in one segment. In that case you can use > ZSTD_initDCtx(), and ZSTD_decompressDCtx(). ZSTD_DCtxWorkspaceBound() is > only 155984. See decompress_single() in > https://patchwork.kernel.org/patch/9997909/ for an example.
Does not help, still ENOMEM. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
