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Index: sys/riscv/include/vmparam.h
===================================================================
--- sys/riscv/include/vmparam.h
+++ sys/riscv/include/vmparam.h
@@ -223,10 +223,7 @@
#define VM_INITIAL_PAGEIN 16
#endif
-/*
- * RISCVTODO
- * #define UMA_MD_SMALL_ALLOC
- */
+#define UMA_MD_SMALL_ALLOC
#ifndef LOCORE
extern vm_paddr_t dmap_phys_base;
Index: sys/riscv/riscv/uma_machdep.c
===================================================================
--- sys/riscv/riscv/uma_machdep.c
+++ sys/riscv/riscv/uma_machdep.c
@@ -32,6 +32,7 @@
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/systm.h>
+#include <sys/vmmeter.h>
#include <vm/vm.h>
#include <vm/vm_page.h>
#include <vm/vm_pageout.h>
@@ -44,13 +45,39 @@
uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
int wait)
{
+ vm_page_t m;
+ vm_paddr_t pa;
+ void *va;
- panic("uma_small_alloc");
+ *flags = UMA_SLAB_PRIV;
+ m = vm_page_alloc_domain(NULL, 0, domain,
+ malloc2vm_flags(wait) | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED);
+ if (m == NULL)
+ return (NULL);
+ pa = m->phys_addr;
+#if 0
+ /* RISCVTODO: minidump */
+ if ((wait & M_NODUMP) == 0)
+ dump_add_page(pa);
+#endif
+ va = (void *)PHYS_TO_DMAP(pa);
+ if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
+ bzero(va, PAGE_SIZE);
+ return (va);
}
void
uma_small_free(void *mem, vm_size_t size, u_int8_t flags)
{
+ vm_page_t m;
+ vm_paddr_t pa;
- panic("uma_small_free");
+ pa = DMAP_TO_PHYS((vm_offset_t)mem);
+#if 0
+ /* RISCVTODO: minidump */
+ dump_drop_page(pa);
+#endif
+ m = PHYS_TO_VM_PAGE(pa);
+ vm_page_unwire_noq(m);
+ vm_page_free(m);
}

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