Function TakeBlocksFromGlobalFreeList

library/cpp/lfalloc/lf_allocX64.h:962–977

take several blocks from global free list (max FL_GROUP_SIZE blocks), returns number of blocks taken buf should have space for at least FL_GROUP_SIZE elems

// take several blocks from global free list (max FL_GROUP_SIZE blocks), returns number of blocks taken
// buf should have space for at least FL_GROUP_SIZE elems
static Y_FORCE_INLINE int TakeBlocksFromGlobalFreeList(int nSizeIdx, char** buf) {
    TLFAllocFreeList& fl = globalFreeLists[nSizeIdx];
    TFreeListGroup* g = (TFreeListGroup*)fl.Alloc();
    if (g) {
        int resCount = 0;
        for (auto ptr : g->Ptrs) {
            if (ptr)
                buf[resCount++] = ptr;
            else
                break;
        }
        blockFreeList.Free(g);
        return resCount;
    }
    return 0;
}

// add several blocks to global free list
static Y_FORCE_INLINE void PutBlocksToGlobalFreeList(ptrdiff_t nSizeIdx, char** buf, int count) {