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Eliminate some unnecessary uses of UMA_ZONE_VM. Only zones involved in

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virtual address or physical page allocation need to be marked with this
flag.

Reviewed by:	markj
Tested by:	pho
Differential Revision:	https://reviews.freebsd.org/D23712
This commit is contained in:
jeff 2020-02-19 08:17:27 +00:00
parent f397b9cfe8
commit 2c8ef8f230
5 changed files with 9 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/kern/subr_vmem.c
View File

@ -561,8 +561,7 @@ qc_init(vmem_t *vm, vmem_size_t qcache_max)
qc->qc_vmem = vm;
qc->qc_size = size;
qc->qc_cache = uma_zcache_create(qc->qc_name, size,
NULL, NULL, NULL, NULL, qc_import, qc_release, qc,
UMA_ZONE_VM);
NULL, NULL, NULL, NULL, qc_import, qc_release, qc, 0);
MPASS(qc->qc_cache);
}
}
@ -668,10 +667,10 @@ vmem_startup(void)
mtx_init(&vmem_list_lock, "vmem list lock", NULL, MTX_DEF);
vmem_zone = uma_zcreate("vmem",
sizeof(struct vmem), NULL, NULL, NULL, NULL,
UMA_ALIGN_PTR, UMA_ZONE_VM);
UMA_ALIGN_PTR, 0);
vmem_bt_zone = uma_zcreate("vmem btag",
sizeof(struct vmem_btag), NULL, NULL, NULL, NULL,
UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
UMA_ALIGN_PTR, UMA_ZONE_VM);
#ifndef UMA_MD_SMALL_ALLOC
mtx_init(&vmem_bt_lock, "btag lock", NULL, MTX_DEF);
uma_prealloc(vmem_bt_zone, BT_MAXALLOC);

2
sys/kern/vfs_subr.c
View File

@ -671,7 +671,7 @@ vntblinit(void *dummy __unused)
*/
buf_trie_zone = uma_zcreate("BUF TRIE", pctrie_node_size(),
NULL, NULL, pctrie_zone_init, NULL, UMA_ALIGN_PTR,
UMA_ZONE_NOFREE | UMA_ZONE_VM);
UMA_ZONE_NOFREE);
uma_prealloc(buf_trie_zone, nbuf);
vnodes_created = counter_u64_alloc(M_WAITOK);

4
sys/vm/swap_pager.c
View File

@ -585,11 +585,11 @@ swap_pager_swap_init(void)
n = maxswzone != 0 ? maxswzone / sizeof(struct swblk) :
vm_cnt.v_page_count / 2;
swpctrie_zone = uma_zcreate("swpctrie", pctrie_node_size(), NULL, NULL,
pctrie_zone_init, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
pctrie_zone_init, NULL, UMA_ALIGN_PTR, 0);
if (swpctrie_zone == NULL)
panic("failed to create swap pctrie zone.");
swblk_zone = uma_zcreate("swblk", sizeof(struct swblk), NULL, NULL,
NULL, NULL, _Alignof(struct swblk) - 1, UMA_ZONE_VM);
NULL, NULL, _Alignof(struct swblk) - 1, 0);
if (swblk_zone == NULL)
panic("failed to create swap blk zone.");
n2 = n;

4
sys/vm/vm_page.c
View File

@ -202,7 +202,7 @@ vm_page_init(void *dummy)
{
fakepg_zone = uma_zcreate("fakepg", sizeof(struct vm_page), NULL, NULL,
NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE | UMA_ZONE_VM);
NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE);
bogus_page = vm_page_alloc(NULL, 0, VM_ALLOC_NOOBJ |
VM_ALLOC_NORMAL | VM_ALLOC_WIRED);
}
@ -2022,7 +2022,7 @@ vm_page_alloc_domain_after(vm_object_t object, vm_pindex_t pindex, int domain,
#endif
vmd = VM_DOMAIN(domain);
if (vmd->vmd_pgcache[pool].zone != NULL) {
m = uma_zalloc(vmd->vmd_pgcache[pool].zone, M_NOWAIT);
m = uma_zalloc(vmd->vmd_pgcache[pool].zone, M_NOWAIT | M_NOVM);
if (m != NULL) {
flags |= PG_PCPU_CACHE;
goto found;

2
sys/vm/vm_pager.c
View File

@ -185,7 +185,7 @@ vm_pager_bufferinit(void)
/* Main zone for paging bufs. */
pbuf_zone = uma_zcreate("pbuf", sizeof(struct buf),
pbuf_ctor, pbuf_dtor, pbuf_init, NULL, UMA_ALIGN_CACHE,
UMA_ZONE_VM | UMA_ZONE_NOFREE);
UMA_ZONE_NOFREE);
/* Few systems may still use this zone directly, so it needs a limit. */
nswbuf_max += uma_zone_set_max(pbuf_zone, NSWBUF_MIN);
}