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vmem: disable debug.vmem_check by default

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It has a prohibitive performance impact when running real workloads.

Note this only affects kernels with DIAGNOSTIC.

Reviewed by:	markj
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D31784
This commit is contained in:
Mateusz Guzik 2021-09-02 11:49:39 +02:00
parent 8f8a794775
commit 6352bbf7be
1 changed files with 1 additions and 1 deletions
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2
sys/kern/subr_vmem.c
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@ -181,7 +181,7 @@ struct vmem {
#define BT_END(bt) ((bt)->bt_start + (bt)->bt_size - 1)
#if defined(DIAGNOSTIC)
static int enable_vmem_check = 1;
static int enable_vmem_check = 0;
SYSCTL_INT(_debug, OID_AUTO, vmem_check, CTLFLAG_RWTUN,
&enable_vmem_check, 0, "Enable vmem check");
static void vmem_check(vmem_t *);