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files: restrict number of fdinfo_list_entries

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We allocate only one page for fdinfo_list_entries.
In the future we will be able to resize this memory.

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
This commit is contained in:
Andrey Vagin
2012-01-16 23:10:41 +03:00
committed by Cyrill Gorcunov
parent c1e69464dc
commit feae91fe9d
1 changed files with 5 additions and 0 deletions
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5
files.c
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@@ -111,6 +111,11 @@ static int collect_fd(int pid, struct fdinfo_entry *e)
pr_info("Collect fdinfo pid=%d fd=%d id=%s\n", pid, e->addr, e->id);
nr_fdinfo_list++;
if ((nr_fdinfo_descs) * sizeof(struct fdinfo_list_entry) >= 4096) {
pr_panic("OOM storing fdinfo_list_entries\n");
return -1;
}
le->pid = pid;
le->fd = e->addr;
le->real_pid = 0;