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Propagate 'Range_allocator::alloc_aligned' errors

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This patch reflects eventual allocation errors in a more specific way to
the caller of 'alloc_aligned', in particular out-of-metadata and
out-of-memory are considered as different conditions.

Related to issue #526.
This commit is contained in:
Norman Feske
2012-11-28 22:50:08 +01:00
parent bd6d78b18e
commit 0dbb5e1696
39 changed files with 133 additions and 89 deletions
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4
os/src/lib/dde_kit/pgtab.cc
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@ -115,7 +115,7 @@ extern "C" void dde_kit_pgtab_set_region_with_size(void *virt, dde_kit_addr_t ph
map = virt_to_phys_map();
region = Mem_region(reinterpret_cast<addr_t>(virt), size, phys);
if (map->alloc_addr(size, reinterpret_cast<addr_t>(virt)) == Range_allocator::ALLOC_OK)
if (map->alloc_addr(size, reinterpret_cast<addr_t>(virt)).is_ok())
map->metadata(virt, region);
else
PWRN("virt->phys mapping for [%lx,%lx) failed",
@ -125,7 +125,7 @@ extern "C" void dde_kit_pgtab_set_region_with_size(void *virt, dde_kit_addr_t ph
map = phys_to_virt_map();
region = Mem_region(phys, size, reinterpret_cast<addr_t>(virt));
if (map->alloc_addr(size, phys) == Range_allocator::ALLOC_OK)
if (map->alloc_addr(size, phys).is_ok())
map->metadata(reinterpret_cast<void *>(phys), region);
else
PWRN("phys->virt mapping for [%lx,%lx) failed", phys, phys + size);