From 1cff4e0108dd79209d1d05843fad64bc067d7cd6 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Sat, 21 Jul 2018 21:26:38 +0000 Subject: [PATCH] Eliminate a comment that doesn't apply to this pmap implementation. Coalesce the variable definitions for PV entry management. MFC after: 3 weeks --- sys/arm64/arm64/pmap.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/sys/arm64/arm64/pmap.c b/sys/arm64/arm64/pmap.c index f51758342e0d..2bae8810fd86 100644 --- a/sys/arm64/arm64/pmap.c +++ b/sys/arm64/arm64/pmap.c @@ -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. */