diff options
| -rw-r--r-- | boot/bootm.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/boot/bootm.c b/boot/bootm.c index d0656fbdf08..4c260a5f5ce 100644 --- a/boot/bootm.c +++ b/boot/bootm.c @@ -626,14 +626,14 @@ static int bootm_load_os(struct bootm_headers *images, int boot_progress) /* * For a "noload" compressed kernel we need to allocate a buffer large * enough to decompress in to and use that as the load address now. - * Assume that the kernel compression is at most a factor of 4 since - * zstd almost achieves that. + * Allow up to 8x compression: this comfortably covers what zstd and xz + * achieve on real kernels, with headroom for well-compressed payloads. * Use an alignment of 2MB since this might help arm64 */ if (os.type == IH_TYPE_KERNEL_NOLOAD && os.comp != IH_COMP_NONE) { phys_addr_t addr; - decomp_len = ALIGN(image_len * 4, SZ_1M); + decomp_len = ALIGN(image_len * 8, SZ_1M); err = lmb_alloc_mem(LMB_MEM_ALLOC_ANY, SZ_2M, &addr, decomp_len, LMB_NONE); if (err) |