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Commit 7f4b36f9 authored by Al Viro's avatar Al Viro
Browse files

get rid of files_defer_init() 



the only thing it's doing these days is calculation of
upper limit for fs.nr_open sysctl and that can be done
statically

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 4d359507

fs/file.c

+4 −7
Original line number Diff line number Diff line
@@ -25,7 +25,10 @@ 


int sysctl_nr_open __read_mostly = 1024*1024;

int sysctl_nr_open_min = BITS_PER_LONG;

int sysctl_nr_open_max = 1024 * 1024; /* raised later */

/* our max() is unusable in constant expressions ;-/ */

#define __const_max(x, y) ((x) < (y) ? (x) : (y))

int sysctl_nr_open_max = __const_max(INT_MAX, ~(size_t)0/sizeof(void *)) &

			 -BITS_PER_LONG;



static void *alloc_fdmem(size_t size)

{
@@ -429,12 +432,6 @@ void exit_files(struct task_struct *tsk) 
	}

}



void __init files_defer_init(void)

{

	sysctl_nr_open_max = min((size_t)INT_MAX, ~(size_t)0/sizeof(void *)) &

			     -BITS_PER_LONG;

}



struct files_struct init_files = {

	.count		= ATOMIC_INIT(1),

	.fdt		= &init_files.fdtab,

fs/file_table.c

+0 −1
Original line number Diff line number Diff line
@@ -325,6 +325,5 @@ void __init files_init(unsigned long mempages) 


	n = (mempages * (PAGE_SIZE / 1024)) / 10;

	files_stat.max_files = max_t(unsigned long, n, NR_FILE);

	files_defer_init();

	percpu_counter_init(&nr_files, 0);

}

include/linux/fdtable.h

+0 −2
Original line number Diff line number Diff line
@@ -63,8 +63,6 @@ struct file_operations; 
struct vfsmount;

struct dentry;



extern void __init files_defer_init(void);



#define rcu_dereference_check_fdtable(files, fdtfd) \

	rcu_dereference_check((fdtfd), lockdep_is_held(&(files)->file_lock))