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vm: Fix heap preallocation.

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Change-Id: I5b7f6473b9bbff69eae6ab26c889ad8ed902ff3a
This commit is contained in:
Cristiano Giuffrida 2014-12-21 00:33:44 +01:00 committed by David van Moolenbroek
parent 0be084004f
commit eacaa8290b
1 changed files with 9 additions and 4 deletions
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13
minix/servers/vm/rs.c
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@ -198,12 +198,17 @@ static int rs_memctl_make_vm_instance(struct vmproc *new_vm_vmp)
static int rs_memctl_heap_prealloc(struct vmproc *vmp, static int rs_memctl_heap_prealloc(struct vmproc *vmp,
vir_bytes *addr, size_t *len) vir_bytes *addr, size_t *len)
{ {
struct vir_region *data_vr;
vir_bytes bytes;
/* if(*len <= 0) {
* XXX: Is this still needed? return EINVAL;
*/ }
data_vr = region_search(&vmp->vm_regions_avl, VM_MMAPBASE, AVL_LESS);
*addr = data_vr->vaddr + data_vr->length;
bytes = *addr + *len;
return OK; return real_brk(vmp, bytes);
} }
/*===========================================================================* /*===========================================================================*