diff options
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 9 | ||||
| -rw-r--r-- | mm/vmalloc.c | 4 |
2 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 27ec49af1bf2..bc55fb55cd26 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -7220,9 +7220,12 @@ vmalloc=nn[KMG] [KNL,BOOT,EARLY] Forces the vmalloc area to have an exact size of <nn>. This can be used to increase - the minimum size (128MB on x86). It can also be - used to decrease the size and leave more room - for directly mapped kernel RAM. + the minimum size (128MB on x86, arm32 platforms). + It can also be used to decrease the size and leave more room + for directly mapped kernel RAM. Note that this parameter does + not exist on many other platforms (including arm64, alpha, + loongarch, arc, csky, hexagon, microblaze, mips, nios2, openrisc, + parisc, m64k, powerpc, riscv, sh, um, xtensa, s390, sparc). vmcp_cma=nn[MG] [KNL,S390,EARLY] Sets the memory size reserved for contiguous memory diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 4d9e1cbba8c2..b4c42da9f390 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2056,8 +2056,8 @@ overflow: } if (!(gfp_mask & __GFP_NOWARN) && printk_ratelimit()) - pr_warn("vmap allocation for size %lu failed: use vmalloc=<size> to increase size\n", - size); + pr_warn("vmalloc_node_range for size %lu failed: Address range restricted to %#lx - %#lx\n", + size, vstart, vend); kmem_cache_free(vmap_area_cachep, va); return ERR_PTR(-EBUSY); |