RHEL 9.4 kernel: vmap allocation for size xx failed: use vmalloc=xx to increase size

Issue

• The systemd-udevd process failed with vmap allocation in the system logs.

Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: systemd-udevd: vmalloc error: size 1335296, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0-1
Feb 11 16:47:36 localhost kernel: __vmalloc_node_range+0x138/0x220
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 12 01:13:01 localhost kernel: Dentry cache hash table entries: 33554432 (order: 16, 268435456 bytes, vmalloc hugepage)
Feb 12 01:13:01 localhost kernel: Inode-cache hash table entries: 16777216 (order: 15, 134217728 bytes, vmalloc hugepage)

Feb 11 16:47:36 localhost kernel: vmap allocation for size 1339392 failed: use vmalloc=<size> to increase size
Feb 11 16:47:36 localhost kernel: systemd-udevd: vmalloc error: size 1335296, vm_struct allocation failed, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,me
ms_allowed=0-1
Feb 11 16:47:36 localhost kernel: CPU: 70 PID: 8467 Comm: systemd-udevd Not tainted 5.14.0-427.37.1.el9_4.x86_64 #1
Feb 11 16:47:36 localhost kernel: Hardware name: XX SYSTEMS XX/XX, BIOS 01.08.00 02/08/2025
Feb 11 16:47:36 localhost kernel: Call Trace:
Feb 11 16:47:36 localhost kernel: <TASK>
Feb 11 16:47:36 localhost kernel: dump_stack_lvl+0x34/0x48
Feb 11 16:47:36 localhost kernel: warn_alloc+0x138/0x160
Feb 11 16:47:36 localhost kernel: ? __get_vm_area_node+0x151/0x170
Feb 11 16:47:36 localhost kernel: __vmalloc_node_range+0x138/0x220
Feb 11 16:47:36 localhost kernel: ? move_module+0x1e/0x170
Feb 11 16:47:36 localhost kernel: module_alloc+0x81/0xe0
Feb 11 16:47:36 localhost kernel: ? move_module+0x1e/0x170
Feb 11 16:47:36 localhost kernel: move_module+0x1e/0x170
Feb 11 16:47:36 localhost kernel: layout_and_allocate+0xec/0x150
Feb 11 16:47:36 localhost kernel: load_module+0x31a/0xbb0
Feb 11 16:47:36 localhost kernel: __do_sys_init_module+0x12e/0x1b0
Feb 11 16:47:36 localhost kernel: do_syscall_64+0x59/0x90
Feb 11 16:47:36 localhost kernel: ? syscall_exit_to_user_mode+0x22/0x40
Feb 11 16:47:36 localhost kernel: ? do_syscall_64+0x69/0x90
Feb 11 16:47:36 localhost kernel: ? ksys_read+0x5f/0xe0
Feb 11 16:47:36 localhost kernel: ? syscall_exit_to_user_mode+0x22/0x40
Feb 11 16:47:36 localhost kernel: ? do_syscall_64+0x69/0x90
Feb 11 16:47:36 localhost kernel: ? __irq_exit_rcu+0x46/0xc0
Feb 11 16:47:36 localhost kernel: ? sysvec_call_function+0x3c/0x90
Feb 11 16:47:36 localhost kernel: entry_SYSCALL_64_after_hwframe+0x72/0xdc
Feb 11 16:47:36 localhost kernel: RIP: 0033:0x7fa14a10ef1e
Feb 11 16:47:36 localhost kernel: Code: 48 8b 0d 05 af 0e 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 0
0 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d2 ae 0e 00 f7 d8 64 89 01 48
Feb 11 16:47:36 localhost kernel: RSP: 002b:00007ffcfac2b238 EFLAGS: 00000246 ORIG_RAX: 00000000000000af
Feb 11 16:47:36 localhost kernel: RAX: ffffffffffffffda RBX: 000055caa5bf34e0 RCX: 00007fa14a10ef1e
Feb 11 16:47:36 localhost kernel: RDX: 00007fa14a96232c RSI: 00000000002baeb8 RDI: 00007fa147cb3010
Feb 11 16:47:36 localhost kernel: RBP: 00007fa147cb3010 R08: 000055caa5bb2050 R09: 00000000002bb000
Feb 11 16:47:36 localhost kernel: R10: 0000000000000005 R11: 0000000000000246 R12: 00007fa14a96232c
Feb 11 16:47:36 localhost kernel: R13: 000055caa5c11b10 R14: 0000000000000007 R15: 000055caa5b0f860
Feb 11 16:47:36 localhost kernel: </TASK>
Feb 11 16:47:36 localhost kernel: Mem-Info:
Feb 11 16:47:36 localhost kernel: active_anon:1506040 inactive_anon:0 isolated_anon:0#012 active_file:11512 inactive_file:2128 isolated_file:0#012 unevictable:3511 dirty:0 writeback:0#012 slab_reclaimable:35514 slab_unreclaimable:427784#012 mapped:6250 shmem:9314 pagetables:11950#012 sec_pagetables:0 bounce:0#012 kernel_misc_reclaimable:0#012 free:392496908 free_pcp:282544 free_cma:0
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