};
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 */
/*
* We use this list to defer free fdtables that have vmalloced
/*
* Check whether we need to allocate a larger fd array and fd set.
- * Note: we're not a clone task, so the open count won't change.
*/
- if (open_files > new_fdt->max_fds) {
+ while (unlikely(open_files > new_fdt->max_fds)) {
spin_unlock(&oldf->file_lock);
+ if (new_fdt != &newf->fdtab) {
+ free_fdarr(new_fdt);
+ free_fdset(new_fdt);
+ kfree(new_fdt);
+ }
+
new_fdt = alloc_fdtable(open_files - 1);
if (!new_fdt) {
*errorp = -ENOMEM;
*/
spin_lock(&oldf->file_lock);
old_fdt = files_fdtable(oldf);
+ open_files = count_open_files(old_fdt);
}
old_fds = old_fdt->fd;
int i;
for_each_possible_cpu(i)
fdtable_defer_list_init(i);
+ sysctl_nr_open_max = min((size_t)INT_MAX, ~(size_t)0/sizeof(void *)) &
+ -BITS_PER_LONG;
}
struct files_struct init_files = {