咨询，为什么OOM的时候log里看还是有4932KB的，还是被killed？

hjbilly LV 4

[__alloc_pages_may_oom:3950]order:0, gfp_mask:100cca
[out_of_memory:1125]
[oom_kill_process:980]
totalram_pages:13941, hugetlb_total_pages:0, sysctl_overcommit_ratio:95
entry_ui invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0
CPU: 0 PID: 816 Comm: entry_ui Not tainted 5.4.61 #3
Call Trace:
[<ffffffff8001dca2>] 0xffffffff8001dca2
[<ffffffff800578da>] 0xffffffff800578da
[<ffffffff80057178>] 0xffffffff80057178
[<ffffffff8005782a>] 0xffffffff8005782a
[<ffffffff800754d0>] 0xffffffff800754d0
[<ffffffff800756a0>] 0xffffffff800756a0
[<ffffffff800557fc>] 0xffffffff800557fc
[<ffffffff80055ac0>] 0xffffffff80055ac0
[<ffffffff80068c26>] 0xffffffff80068c26
[<ffffffff8006a576>] 0xffffffff8006a576
[<ffffffff8001ed7e>] 0xffffffff8001ed7e
[<ffffffff8001cd00>] 0xffffffff8001cd00
Mem-Info:
active_anon:2971 inactive_anon:2 isolated_anon:0
 active_file:491 inactive_file:408 isolated_file:32
 unevictable:9 dirty:0 writeback:0 unstable:0
 slab_reclaimable:177 slab_unreclaimable:2478
 mapped:457 shmem:11 pagetables:60 bounce:0
 free:1233 free_pcp:15 free_cma:0
Node 0 active_anon:11884kB inactive_anon:8kB active_file:1964kB inactive_file:1632kB unevictable:36kB isolated(anon):0kB isolated(file):128kB mapped:1828kB dirty:0kB writeback:0kB shmem:44kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
DMA32 free:4932kB min:5036kB low:5268kB high:5500kB active_anon:11884kB inactive_anon:8kB active_file:1964kB inactive_file:1632kB unevictable:36kB writepending:0kB present:65536kB managed:55764kB mlocked:36kB kernel_stack:1088kB pagetables:240kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB
lowmem_reserve[]: 0 0 0
DMA32: 209*4kB (UMEH) 138*8kB (UMEH) 59*16kB (UMEH) 16*32kB (UEH) 16*64kB (EH) 4*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4932kB
Free pages count per migrate typeat order:     0      1      2      3      4      5      6      7      8      9     10 
zone    DMA32, type    Unmovable    106     97     42      5      0      0      0      0      0      0      0 
zone    DMA32, type      Movable     67     26      6      0      0      0      0      0      0      0      0 
zone    DMA32, type  Reclaimable      1      1      1      1     10      0      0      0      0      0      0 
zone    DMA32, type   HighAtomic     35     14     10     10      6      4      0      0      0      0      0 
937 total pagecache pages
16384 pages RAM
0 pages HighMem/MovableOnly
2443 pages reserved
Tasks state (memory values in pages):
[  pid  ]   uid  tgid total_vm      rss pgtables_bytes swapents oom_score_adj name
[    816]     0   816   141124     3242   155648        0             0 entry_ui
[    817]     0   817      629       38    28672        0             0 sh
[    843] 65534   843      469       84    28672        0             0 dnsmasq
[    855]     0   855    66229       57    45056        0             0 adbd
oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),task=entry_ui,pid=816,uid=0
[oom_kill_process:991]
[__oom_kill_process:891]entry_ui
Out of memory: Killed process 816 (entry_ui) total-vm:564496kB, anon-rss:11140kB, file-rss:1792kB, shmem-rss:36kB, UID:0 pgtables:152kB oom_score_adj:0
[oom_kill_process:1004]
oom_reaper: reaped process 816 (entry_ui), now anon-rss:0kB, file-rss:76kB, shmem-rss:36kB
VE: release lost-lock...
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(__owner_task(owner) != current)
WARNING: CPU: 0 PID: 847 at 0xffffffff8030cc7e
Modules linked in: hgic_sdio hgicf
CPU: 0 PID: 847 Comm: TimerEntry Not tainted 5.4.61 #3
sepc: ffffffff8030cc7e ra : ffffffff8030cc7e sp : ffffffff817f3c60
 gp : ffffffff8045f948 tp : ffffffff8396b480 t0 : ffffffff80476228
 t1 : 0000000000000063 t2 : 0000000000000000 s0 : ffffffff83060980
 s1 : ffffffff82ca8a80 a0 : 0000000000000033 a1 : ffffffff8046a4db
 a2 : 0000000000000033 a3 : 0000000000000000 a4 : 0000000200000020
 a5 : 0000000000000000 a6 : 0000000000000004 a7 : 0000000000000037
 s2 : ffffffff80488000 s3 : ffffffff8046b000 s4 : ffffffff830f2620
 s5 : ffffffff80367000 s6 : ffffffff80367000 s7 : ffffffff80367000
 s8 : ffffffff80417000 s9 : 0000003fe7ef6290 s10: 0000003fe7ef61d0
 s11: 0000003feccd2090 t3 : ffffffffffffffff t4 : 0000000000400014
 t5 : 0000000000400015 t6 : ffffffff80469c7b
sstatus: 0000000200000120 sbadaddr: 0000000000000000 scause: 0000000000000003
---[ end trace 820754eaa6713c12 ]---

WhycanService LV 8

4M是CMA内存，在env.cfg里配置大小