Page Allocation Failure with kcs-term

Issue

• Despite the presence of available order:0 pages as reported in /proc/buddyinfo, the kcs-term (CrowdStrike) process is encountering frequent page allocation failures with the message:

    kernel: kcs-term: page allocation failure: order:0, mode:0xc0(__GFP_IO|__GFP_FS), nodemask=(null),cpuset=/,mems_allowed=0-1
    kernel: CPU: 43 PID: 2577 Comm: kcs-term Kdump: loaded Tainted: P            E     -------  ---  5.14.0-427.37.1.el9_4.x86_64 #1
    kernel: Hardware name: Cisco Systems Inc UCSC-C240-M5L/UCSC-C240-M5L, BIOS C240M5.4.3.2a.0.0613231011 06/13/2023
    kernel: Call Trace:
    kernel: <TASK>
    kernel: dump_stack_lvl+0x34/0x48
    kernel: warn_alloc+0x138/0x160
    kernel: __alloc_pages_slowpath.constprop.0+0x8ac/0x960
    kernel: ? get_page_from_freelist+0x24d/0x530
    kernel: __alloc_pages+0x21d/0x250
    kernel: allocate_slab+0x352/0x490
    kernel: ? get_any_partial+0x6c/0x190
    kernel: ___slab_alloc+0x35d/0x7c0
    kernel: ? cshook_systemcalltable_pre_compat_sys_ioctl+0x715b/0x3dc70 [falcon_lsm_serviceable]
    kernel: ? kmem_cache_free+0x15/0x360
    kernel: ? cshook_security_inode_free_security+0x7d2d/0x13450 [falcon_lsm_serviceable]
    kernel: ? cshook_systemcalltable_pre_compat_sys_ioctl+0x715b/0x3dc70 [falcon_lsm_serviceable]
    kernel: kmem_cache_alloc+0x2d4/0x340
    kernel: cshook_systemcalltable_pre_compat_sys_ioctl+0x715b/0x3dc70 [falcon_lsm_serviceable]
    kernel: _ZdlPvmSt11align_val_t+0x743c4/0x8aa40 [falcon_lsm_serviceable]
    kernel: ? _ZdlPvmSt11align_val_t+0x74056/0x8aa40 [falcon_lsm_serviceable]
    kernel: _ZdlPvmSt11align_val_t+0x749ca/0x8aa40 [falcon_lsm_serviceable]
    kernel: _ZdlPvmSt11align_val_t+0x74bd7/0x8aa40 [falcon_lsm_serviceable]
    kernel: cshook_systemcalltable_pre_compat_sys_ioctl+0x138c7/0x3dc70 [falcon_lsm_serviceable]
    kernel: cshook_systemcalltable_pre_compat_sys_ioctl+0x144bc/0x3dc70 [falcon_lsm_serviceable]
    kernel: ? cshook_systemcalltable_pre_compat_sys_ioctl+0x35320/0x3dc70 [falcon_lsm_serviceable]
    kernel: cshook_security_sb_free_security+0x1d74/0x4cc0 [falcon_lsm_serviceable]
    kernel: ? __wait_for_common+0x19a/0x1d0
    kernel: ? __pfx_schedule_timeout+0x10/0x10
    kernel: cshook_security_sb_free_security+0x1eb0/0x4cc0 [falcon_lsm_serviceable]
    kernel: cshook_network_ops_inet6_sockraw_release+0x17739/0x21160 [falcon_lsm_serviceable]
    kernel: ? cshook_network_ops_inet6_sockraw_release+0x17720/0x21160 [falcon_lsm_serviceable]
    kernel: cshook_systemcalltable_pre_compat_sys_ioctl+0x35350/0x3dc70 [falcon_lsm_serviceable]
    kernel: kthread+0xdd/0x100
    kernel: ? __pfx_kthread+0x10/0x10
    kernel: ret_from_fork+0x29/0x50