linux-master/mm/shmem.c

542 static int shmem_huge __read_mostly = SHMEM_HUGE_NEVER;
553 	if (shmem_huge == SHMEM_HUGE_DENY)
555 	if (shmem_huge_force || shmem_huge == SHMEM_HUGE_FORCE)
749 #define shmem_huge SHMEM_HUGE_DENY
2293 	if (shmem_huge == SHMEM_HUGE_DENY)
2308 	if (shmem_huge != SHMEM_HUGE_FORCE) {
4285 	/* Rightly or wrongly, show huge mount option unmasked by shmem_huge */
4685 	if (has_transparent_hugepage() && shmem_huge > SHMEM_HUGE_DENY)
4686 		SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;
4688 		shmem_huge = SHMEM_HUGE_NEVER; /* just in case it was patched */
4720 				shmem_huge == values[i] ? "%s[%s]" : "%s%s",
4748 	shmem_huge = huge;
4749 	if (shmem_huge > SHMEM_HUGE_DENY)
4750 		SHMEM_SB(shm_mnt->mnt_sb)->huge = shmem_huge;