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hub / github.com/F-Stack/f-stack / uma_small_alloc

Function uma_small_alloc

freebsd/mips/mips/uma_machdep.c:42–80  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

40#include <vm/uma_int.h>
41
42void *
43uma_small_alloc(uma_zone_t zone, vm_size_t bytes, int domain, u_int8_t *flags,
44 int wait)
45{
46 vm_paddr_t pa;
47 vm_page_t m;
48 int pflags;
49 void *va;
50
51 *flags = UMA_SLAB_PRIV;
52 pflags = malloc2vm_flags(wait) | VM_ALLOC_WIRED;
53#ifndef __mips_n64
54 pflags &= ~(VM_ALLOC_WAITOK | VM_ALLOC_WAITFAIL);
55 pflags |= VM_ALLOC_NOWAIT;
56#endif
57
58 for (;;) {
59 m = vm_page_alloc_freelist_domain(domain, VM_FREELIST_DIRECT,
60 pflags);
61#ifndef __mips_n64
62 if (m == NULL && vm_page_reclaim_contig(pflags, 1,
63 0, MIPS_KSEG0_LARGEST_PHYS, PAGE_SIZE, 0))
64 continue;
65#endif
66 if (m != NULL)
67 break;
68 if ((wait & M_NOWAIT) != 0)
69 return (NULL);
70 vm_wait(NULL);
71 }
72
73 pa = VM_PAGE_TO_PHYS(m);
74 if ((wait & M_NODUMP) == 0)
75 dump_add_page(pa);
76 va = (void *)MIPS_PHYS_TO_DIRECT(pa);
77 if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
78 bzero(va, PAGE_SIZE);
79 return (va);
80}
81
82void
83uma_small_free(void *mem, vm_size_t size, u_int8_t flags)

Callers

nothing calls this directly

Calls 6

malloc2vm_flagsFunction · 0.85
vm_page_reclaim_contigFunction · 0.85
vm_waitFunction · 0.85
dump_add_pageFunction · 0.85
bzeroFunction · 0.85

Tested by

no test coverage detected