SHMEM_F_NORESERVE
return (flags & SHMEM_F_NORESERVE) ?
if (!(flags & SHMEM_F_NORESERVE))
if (!(flags & SHMEM_F_NORESERVE)) {
if (!(flags & SHMEM_F_NORESERVE))
if (flags & SHMEM_F_NORESERVE)
? SHMEM_F_NORESERVE : 0;
vma_flags_test(&flags, VMA_NORESERVE_BIT) ? SHMEM_F_NORESERVE : 0;