bmhook and tmhook are requesting continuous pages, causing page allocation failure.

Issue

• A page allocation failure occurs and the following message is output.

kernel: test.sh: page allocation failure: order:5, mode:0x60c0c0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0
kernel: CPU: 1 PID: 4109438 Comm: test.sh Kdump: loaded Tainted: P           OE    --------- -  - 4.18.0-240.1.1.el8_3.x86_64 #1
kernel: Hardware name: Amazon EC2 c5.large/, BIOS 1.0 10/16/2017
kernel: Call Trace:
kernel: dump_stack+0x5c/0x80
kernel: warn_alloc.cold.118+0x7b/0x10d
kernel: ? _cond_resched+0x15/0x30
kernel: ? __alloc_pages_direct_compact+0x128/0x130
kernel: __alloc_pages_slowpath+0xcfc/0xd40
kernel: __alloc_pages_nodemask+0x245/0x280
kernel: kmalloc_order+0x14/0x30
kernel: kmalloc_order_trace+0x1d/0xa0
kernel: bmhook_kzalloc.constprop.79+0x11/0x20 [bmhook]
kernel: bmhook_get_argv_object_from_user_arg_ptr.isra.37+0x73/0x260 [bmhook]
kernel: ? cred_fscmp+0xc0/0xc0
kernel: bmhook_get_argv_object_from_object.isra.73+0x151/0x2c0 [bmhook]
kernel: bmhook_get_object+0x830/0xe90 [bmhook]
kernel: ? kmem_cache_alloc_trace+0x140/0x1c0
kernel: ? tmhook_attach_data+0x37/0x70 [tmhook]
kernel: ? _cond_resched+0x15/0x30
kernel: bmhook_save_object+0x82/0x110 [bmhook]
kernel: tmbpf_save_object+0xa/0x10 [bmhook]
kernel: ? mem_cgroup_commit_charge+0x7a/0x550
kernel: ? wp_page_copy+0x2c1/0x500
kernel: ? bmhook_prehook_handler+0x249/0x2c0 [bmhook]
kernel: ? tmhook_invoke_prehooks+0x41/0xa0 [tmhook]
kernel: ? tmhook_handler+0x187/0x200 [tmhook]
kernel: ? do_syscall_64+0x5b/0x1a0
kernel: ? tmhook_invoke_posthooks+0xc0/0xc0 [tmhook]
kernel: ? do_syscall_64+0x5b/0x1a0
kernel: ? entry_SYSCALL_64_after_hwframe+0x65/0xca
kernel: Mem-Info:
kernel: active_anon:112380 inactive_anon:112679 isolated_anon:12#012 active_file:169481 inactive_file:106716 isolated_file:0#012 unevictable:0 dirty:20 writeback:0 unstable:0#012 slab_reclaimable:210798 slab_unreclaimable:44504#012 mapped:30619 shmem:41020 pagetables:3344 bounce:0#012 free:54345 free_pcp:68 free_cma:0
kernel: Node 0 active_anon:449520kB inactive_anon:450716kB active_file:677924kB inactive_file:426864kB unevictable:0kB isolated(anon):48kB isolated(file):0kB mapped:122476kB dirty:80kB writeback:0kB shmem:164080kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 440320kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
kernel: Node 0 DMA free:14560kB min:288kB low:360kB high:432kB active_anon:0kB inactive_anon:0kB active_file:224kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
kernel: lowmem_reserve[]: 0 2831 3541 3541 3541
kernel: Node 0 DMA32 free:185740kB min:53748kB low:67184kB high:80620kB active_anon:407376kB inactive_anon:401076kB active_file:476012kB inactive_file:325000kB unevictable:0kB writepending:0kB present:3129256kB managed:2899880kB mlocked:0kB kernel_stack:1316kB pagetables:6136kB bounce:0kB free_pcp:272kB local_pcp:24kB free_cma:0kB
kernel: lowmem_reserve[]: 0 0 709 709 709
kernel: Node 0 Normal free:16892kB min:13544kB low:16928kB high:20312kB active_anon:42868kB inactive_anon:48552kB active_file:202040kB inactive_file:102044kB unevictable:0kB writepending:0kB present:829440kB managed:726240kB mlocked:0kB kernel_stack:3072kB pagetables:7240kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
kernel: lowmem_reserve[]: 0 0 0 0 0
kernel: Node 0 DMA: 0*4kB 2*8kB (UE) 13*16kB (UE) 4*32kB (UME) 2*64kB (E) 2*128kB (UE) 2*256kB (UM) 2*512kB (UM) 2*1024kB (ME) 1*2048kB (E) 2*4096kB (M) = 14560kB
kernel: Node 0 DMA32: 4602*4kB (UE) 4535*8kB (UME) 5141*16kB (UME) 1524*32kB (UME) 3*64kB (ME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 185904kB
kernel: Node 0 Normal: 148*4kB (UMH) 865*8kB (UMEH) 391*16kB (UEH) 102*32kB (UEH) 3*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17224kB
kernel: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
kernel: Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
kernel: 319988 total pagecache pages
kernel: 4757 pages in swap cache
kernel: Swap cache stats: add 442650, delete 437893, find 16562265/16580854
kernel: Free swap  = 1945076kB
kernel: Total swap = 2097140kB
kernel: 993672 pages RAM
kernel: 0 pages HighMem/MovableOnly
kernel: 83302 pages reserved
kernel: 0 pages hwpoisoned