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Implement uma_small_alloc and uma_small_free. Not yet used.

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This commit is contained in:
jake 2002-12-27 03:11:29 +00:00
parent 073c2d289b
commit 16cc24455b
1 changed files with 52 additions and 0 deletions
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52
sys/sparc64/sparc64/vm_machdep.c
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@ -61,6 +61,8 @@
#include <vm/vm_map.h>
#include <vm/vm_page.h>
#include <vm/vm_param.h>
#include <vm/uma.h>
#include <vm/uma_int.h>
#include <machine/cache.h>
#include <machine/cpu.h>
@ -68,6 +70,7 @@
#include <machine/frame.h>
#include <machine/md_var.h>
#include <machine/ofw_machdep.h>
#include <machine/tlb.h>
#include <machine/tstate.h>
void
@ -298,6 +301,55 @@ swi_vm(void *v)
*/
}
void *
uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait)
{
static vm_pindex_t color;
vm_offset_t pa;
vm_page_t m;
int pflags;
void *va;
*flags = UMA_SLAB_PRIV;
if ((wait & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT)
pflags = VM_ALLOC_INTERRUPT;
else
pflags = VM_ALLOC_SYSTEM;
if (wait & M_ZERO)
pflags |= VM_ALLOC_ZERO;
m = vm_page_alloc(NULL, color++, pflags | VM_ALLOC_NOOBJ);
if (m) {
pa = VM_PAGE_TO_PHYS(m);
if (m->md.color != DCACHE_COLOR(pa)) {
KASSERT(m->md.colors[0] == 0 && m->md.colors[1] == 0,
("uma_small_alloc: free page still has mappings!"));
m->md.color = DCACHE_COLOR(pa);
dcache_page_inval(pa);
}
va = (void *)TLB_PHYS_TO_DIRECT(pa);
if ((m->flags & PG_ZERO) == 0)
bzero(va, PAGE_SIZE);
return (va);
}
return (NULL);
}
void
uma_small_free(void *mem, int size, u_int8_t flags)
{
vm_page_t m;
m = PHYS_TO_VM_PAGE(TLB_DIRECT_TO_PHYS((vm_offset_t)mem));
vm_page_lock_queues();
vm_page_free(m);
vm_page_unlock_queues();
}
/*
* quick version of vm_fault
*/