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Kernel: Drop 32 bit userspace stack to 4 MiB

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32 bit userspace only has 256 MiB reserved for stacks, so with 32 MiB
stacks it only allowed total of 7 threads. Now we can have up to 62
threads
This commit is contained in:
Bananymous
2026-04-04 23:30:10 +03:00
parent 9fce114e8e
commit d7e292a9f8
1 changed files with 5 additions and 1 deletions
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6
kernel/include/kernel/Thread.h
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@@ -38,8 +38,12 @@ namespace Kernel
// stack overflows on some machines with 8 page stack // stack overflows on some machines with 8 page stack
static constexpr size_t kernel_stack_size { PAGE_SIZE * 16 }; static constexpr size_t kernel_stack_size { PAGE_SIZE * 16 };
// TODO: userspace stack is hard limited to 32 MiB, maybe make this dynamic? // TODO: userspace stack size is hard limited, maybe make this dynamic?
#if ARCH(x86_64)
static constexpr size_t userspace_stack_size { 32 << 20 }; static constexpr size_t userspace_stack_size { 32 << 20 };
#elif ARCH(i686)
static constexpr size_t userspace_stack_size { 4 << 20 };
#endif
public: public:
static BAN::ErrorOr<Thread*> create_kernel(entry_t, void*); static BAN::ErrorOr<Thread*> create_kernel(entry_t, void*);