pid_delete_dentry 1865 fs/proc/base.c 	.d_delete	= pid_delete_dentry,
pid_delete_dentry 2008 fs/proc/base.c 	.d_delete	= pid_delete_dentry,
pid_delete_dentry  144 fs/proc/fd.c   	.d_delete	= pid_delete_dentry,
pid_delete_dentry  160 fs/proc/internal.h extern int pid_delete_dentry(const struct dentry *);