X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Ffile.c;h=5110acb1c9ef59bb046a69f79fa601a07218b61a;hb=07132922aac0caf807c56b9c2a388954b357a8c4;hp=857fa49e984ca025b36a653aced4af23d56f20b5;hpb=13d7d84e078f49f08b657a3fba0d7a0b7b44ba65;p=linux-2.6

diff --git a/fs/file.c b/fs/file.c
index 857fa49e98..5110acb1c9 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -24,6 +24,8 @@ struct fdtable_defer {
 	struct fdtable *next;
 };
 
+int sysctl_nr_open __read_mostly = 1024*1024;
+
 /*
  * We use this list to defer free fdtables that have vmalloced
  * sets/arrays. By keeping a per-cpu list, we avoid having to embed
@@ -147,8 +149,8 @@ static struct fdtable * alloc_fdtable(unsigned int nr)
 	nr /= (1024 / sizeof(struct file *));
 	nr = roundup_pow_of_two(nr + 1);
 	nr *= (1024 / sizeof(struct file *));
-	if (nr > NR_OPEN)
-		nr = NR_OPEN;
+	if (nr > sysctl_nr_open)
+		nr = sysctl_nr_open;
 
 	fdt = kmalloc(sizeof(struct fdtable), GFP_KERNEL);
 	if (!fdt)
@@ -206,7 +208,7 @@ static int expand_fdtable(struct files_struct *files, int nr)
 		copy_fdtable(new_fdt, cur_fdt);
 		rcu_assign_pointer(files->fdt, new_fdt);
 		if (cur_fdt->max_fds > NR_OPEN_DEFAULT)
-			call_rcu(&cur_fdt->rcu, free_fdtable_rcu);
+			free_fdtable(cur_fdt);
 	} else {
 		/* Somebody else expanded, so undo our attempt */
 		free_fdarr(new_fdt);
@@ -233,7 +235,7 @@ int expand_files(struct files_struct *files, int nr)
 	if (nr < fdt->max_fds)
 		return 0;
 	/* Can we expand? */
-	if (nr >= NR_OPEN)
+	if (nr >= sysctl_nr_open)
 		return -EMFILE;
 
 	/* All good, so we try */