Function ReleaseRss

library/cpp/coroutine/engine/stack/stack_utils.cpp:37–45

#ifdef _linux_
    void ReleaseRss(char* alignedPtr, size_t numOfPages) noexcept {
        Y_ABORT_UNLESS( !((size_t)alignedPtr & PageSizeMask), "Not aligned pointer to release RSS memory");
        if (!numOfPages) {
            return;
        }
        if (auto res = madvise((void*) alignedPtr, numOfPages * PageSize, MADV_DONTNEED); res) {
            Y_ABORT_UNLESS(errno == EAGAIN || errno == ENOMEM, "Failed to release memory");
        }
    }
#else
    void ReleaseRss(char*, size_t) noexcept {
    }