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Eliminate a comment that doesn't apply to this pmap implementation.

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Coalesce the variable definitions for PV entry management.

MFC after:	3 weeks
This commit is contained in:
Alan Cox 2018-07-21 21:26:38 +00:00
parent 8cadd66d98
commit 1cff4e0108
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=336589
1 changed files with 3 additions and 9 deletions
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12
sys/arm64/arm64/pmap.c
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@ -242,9 +242,10 @@ vm_offset_t kernel_vm_end = 0;
/*
* Data for the pv entry allocation mechanism.
* Updates to pv_invl_gen are protected by the pv_list_locks[]
* elements, but reads are not.
*/
static TAILQ_HEAD(pch, pv_chunk) pv_chunks = TAILQ_HEAD_INITIALIZER(pv_chunks);
static struct mtx pv_chunks_mutex;
static struct rwlock pv_list_locks[NPV_LIST_LOCKS];
static struct md_page *pv_table;
static struct md_page pv_dummy;
@ -270,13 +271,6 @@ SYSCTL_INT(_vm_pmap, OID_AUTO, superpages_enabled,
CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &superpages_enabled, 0,
"Are large page mappings enabled?");
/*
* Data for the pv entry allocation mechanism
*/
static TAILQ_HEAD(pch, pv_chunk) pv_chunks = TAILQ_HEAD_INITIALIZER(pv_chunks);
static struct mtx pv_chunks_mutex;
static struct rwlock pv_list_locks[NPV_LIST_LOCKS];
/*
* Internal flags for pmap_enter()'s helper functions.
*/