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xo-alloc: retire redline-memory feature

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This commit is contained in:
Roland Conybeare 2025-08-06 22:50:29 -05:00
commit 8b622e6999
8 changed files with 106 additions and 10 deletions
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8
src/alloc/GC.cpp
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@ -255,13 +255,17 @@ namespace xo {
std::byte * x = nursery_[role2int(role::to_space)]->alloc(z);
if (!x) {
/* ListAlloc won't fail -- instead will increase heap size */
this->request_gc(generation::nursery);
#ifdef REDLINE_MEMORY
if (incr_gc_pending_ || full_gc_pending_)
nursery_[role2int(role::to_space)]->release_redline_memory();
/* try (just once) more, maybe request fits in redline space */
x = nursery_[role2int(role::to_space)]->alloc(z);
#endif
assert(x);
}
@ -310,7 +314,9 @@ namespace xo {
this->request_gc(generation::nursery);
#ifdef REDLINE_MEMORY
nursery_[role2int(role::to_space)]->release_redline_memory();
#endif
retval = nursery_[role2int(role::to_space)]->alloc(z);
}
@ -387,11 +393,13 @@ namespace xo {
}
}
#ifdef REDLINE_MEMORY
void
GC::release_redline_memory()
{
// not supported feature for GC
}
#endif
void
GC::swap_nursery()