Function LFAllocNoCache

library/cpp/lfalloc/lf_allocX64.h:934–941

allocate single block

// allocate single block
static Y_FORCE_INLINE void* LFAllocNoCache(int nSizeIdx, EDefrag defrag) {
    int blockSize = nSizeIdxToSize[nSizeIdx];
    void* res = LFAllocFromCurrentChunk(nSizeIdx, blockSize, 1);
    if (res)
        return res;

    return SlowLFAlloc(nSizeIdx, blockSize, defrag);
}

// allocate multiple blocks, returns number of blocks allocated (max FL_GROUP_SIZE)
// buf should have space for at least FL_GROUP_SIZE elems