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arm64: make it possible to define PV_STATS

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Remove an #if 0 that results in a compilation error if PV_STATS is
defined.  Aside from this #if 0, there is nothing wrong with the
PV_STATS code.

MFC after:	1 week
This commit is contained in:
Alan Cox 2021-06-24 18:09:23 -05:00
parent 66aec14a53
commit c94249decd
1 changed files with 0 additions and 2 deletions
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2
sys/arm64/arm64/pmap.c
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@ -2226,7 +2226,6 @@ pv_to_chunk(pv_entry_t pv)
static const uint64_t pc_freemask[_NPCM] = { PC_FREE0, PC_FREE1, PC_FREE2 };
#if 0
#ifdef PV_STATS
static int pc_chunk_count, pc_chunk_allocs, pc_chunk_frees, pc_chunk_tryfail;
@ -2251,7 +2250,6 @@ SYSCTL_LONG(_vm_pmap, OID_AUTO, pv_entry_count, CTLFLAG_RD, &pv_entry_count, 0,
SYSCTL_INT(_vm_pmap, OID_AUTO, pv_entry_spare, CTLFLAG_RD, &pv_entry_spare, 0,
"Current number of spare pv entries");
#endif
#endif /* 0 */
/*
* We are in a serious low memory condition. Resort to