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Kernel: Make AnonymousVMObject COW-Bitmap allocation OOM-fallible

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This commit is contained in:
Idan Horowitz 2022-02-10 19:17:27 +02:00
parent 871a53db76
commit 8030e2a88f
5 changed files with 35 additions and 21 deletions
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2
Kernel/Memory/AddressSpace.cpp
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@ -153,7 +153,7 @@ ErrorOr<Region*> AddressSpace::try_allocate_split_region(Region const& source_re
size_t page_offset_in_source_region = (offset_in_vmobject - source_region.offset_in_vmobject()) / PAGE_SIZE;
for (size_t i = 0; i < region->page_count(); ++i) {
if (source_region.should_cow(page_offset_in_source_region + i))
region->set_should_cow(i, true);
TRY(region->set_should_cow(i, true));
}
return region;
}