diff options
| author | Muchun Song <songmuchun@bytedance.com> | 2022-06-07 10:02:14 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-06-09 07:11:05 +0300 |
| commit | e67b72b90b7e19a4be4d9c29f3feea6f58ab43f8 (patch) | |
| tree | a232794a09252948f6444b0917c61d90fee5cacc /net/ipv4/inet_hashtables.c | |
| parent | 487994ff75880569d32504d7e70da8b3328e0693 (diff) | |
| download | linux-e67b72b90b7e19a4be4d9c29f3feea6f58ab43f8.tar.xz | |
tcp: use alloc_large_system_hash() to allocate table_perturb
In our server, there may be no high order (>= 6) memory since we reserve
lots of HugeTLB pages when booting. Then the system panic. So use
alloc_large_system_hash() to allocate table_perturb.
Fixes: e9261476184b ("tcp: dynamically allocate the perturb table used by source ports")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220607070214.94443-1-songmuchun@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/inet_hashtables.c')
| -rw-r--r-- | net/ipv4/inet_hashtables.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index e8de5e699b3f..545f91b6cb5e 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -1026,10 +1026,12 @@ void __init inet_hashinfo2_init(struct inet_hashinfo *h, const char *name, init_hashinfo_lhash2(h); /* this one is used for source ports of outgoing connections */ - table_perturb = kmalloc_array(INET_TABLE_PERTURB_SIZE, - sizeof(*table_perturb), GFP_KERNEL); - if (!table_perturb) - panic("TCP: failed to alloc table_perturb"); + table_perturb = alloc_large_system_hash("Table-perturb", + sizeof(*table_perturb), + INET_TABLE_PERTURB_SIZE, + 0, 0, NULL, NULL, + INET_TABLE_PERTURB_SIZE, + INET_TABLE_PERTURB_SIZE); } int inet_hashinfo2_init_mod(struct inet_hashinfo *h) |