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Guard madvise ENOMEM and stabilize pool/tiny front v3

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This commit is contained in:
Moe Charm (CI)
2025-12-09 21:50:15 +09:00
parent e274d5f6a9
commit a905e0ffdd
45 changed files with 3154 additions and 242 deletions
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5
core/hakmem_tiny_intel.inc
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@ -9,6 +9,9 @@ typedef struct {
uint16_t thread_id; // low bits of thread id (best-effort)
} AllocEvent;
// Forward decl (defined in ss_os_acquire_box.h)
extern int ss_os_madvise_guarded(void* ptr, size_t len, int advice, const char* where);
#define EVENTQ_CAP 65536u
#define EVENTQ_MASK (EVENTQ_CAP - 1u)
static _Atomic uint32_t g_ev_tail = 0;
@ -689,7 +692,7 @@ static inline void superslab_partial_release(SuperSlab* ss, uint32_t epoch) {
uint32_t prev = ss->partial_epoch;
if (epoch != 0 && (epoch - prev) < g_ss_partial_interval) return;
size_t len = (size_t)1 << ss->lg_size;
if (madvise(ss, len, MADV_DONTNEED) == 0) {
if (ss_os_madvise_guarded(ss, len, MADV_DONTNEED, "tiny_ss_partial") == 0) {
ss->partial_epoch = epoch;
}
#else