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core, region map: more descriptive variable name

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In the implementation of Region_map_component::attach
rename variable 'r' 'attach_at'.

Ref #2490
This commit is contained in:
Martin Stein 2017-08-16 17:11:45 +02:00 committed by Christian Helmuth
parent c0c0d8c600
commit 0778a0f700
1 changed files with 9 additions and 9 deletions
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18
repos/base/src/core/region_map_component.cc
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@ -354,7 +354,7 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
throw Region_conflict();
/* allocate region for attachment */
void *r = 0;
void *attach_at = 0;
if (use_local_addr) {
switch (_map.alloc_addr(size, local_addr).value) {
@ -365,7 +365,7 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
throw Region_conflict();
case Range_allocator::Alloc_return::OK:
r = local_addr;
attach_at = local_addr;
break;
}
} else {
@ -388,10 +388,10 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
/* try allocating the align region */
Range_allocator::Alloc_return alloc_return =
_map.alloc_aligned(size, &r, align_log2);
_map.alloc_aligned(size, &attach_at, align_log2);
if (!alloc_return.ok())
_map.free(r);
_map.free(attach_at);
typedef Range_allocator::Alloc_return Alloc_return;
@ -405,14 +405,14 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
}
if (align_log2 < get_page_size_log2()) {
_map.free(r);
_map.free(attach_at);
throw Region_conflict();
}
}
/* store attachment info in meta data */
_map.metadata(r, Rm_region((addr_t)r, size, true, dsc, offset, this));
Rm_region *region = _map.metadata(r);
_map.metadata(attach_at, Rm_region((addr_t)attach_at, size, true, dsc, offset, this));
Rm_region *region = _map.metadata(attach_at);
/* inform dataspace about attachment */
dsc->attached_to(region);
@ -423,7 +423,7 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
/* remember next pointer before possibly removing current list element */
Rm_faulter *next = faulter->next();
if (faulter->fault_in_addr_range((addr_t)r, size)) {
if (faulter->fault_in_addr_range((addr_t)attach_at, size)) {
_faulters.remove(faulter);
faulter->continue_after_resolved_fault();
}
@ -431,7 +431,7 @@ Region_map_component::attach(Dataspace_capability ds_cap, size_t size,
faulter = next;
}
return r;
return attach_at;
};
return _ds_ep->apply(ds_cap, lambda);