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files: Named constant for fdinfo_list_entry pool size

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Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2012-04-18 15:59:21 +04:00
parent 04800b6ed1
commit b96dd2c400
1 changed files with 5 additions and 2 deletions
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7
files.c
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@@ -27,11 +27,14 @@ static int nr_fdinfo_list;
#define FDESC_HASH_SIZE 64 #define FDESC_HASH_SIZE 64
static struct list_head file_descs[FDESC_HASH_SIZE]; static struct list_head file_descs[FDESC_HASH_SIZE];
#define FDINFO_POOL_SIZE (4 * 4096)
int prepare_shared_fdinfo(void) int prepare_shared_fdinfo(void)
{ {
int i; int i;
fdinfo_list = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, 0, 0); fdinfo_list = mmap(NULL, FDINFO_POOL_SIZE,
PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, 0, 0);
if (fdinfo_list == MAP_FAILED) { if (fdinfo_list == MAP_FAILED) {
pr_perror("Can't map fdinfo_list"); pr_perror("Can't map fdinfo_list");
return -1; return -1;
@@ -334,7 +337,7 @@ static int collect_fd(int pid, struct fdinfo_entry *e)
pid, e->fd, e->id); pid, e->fd, e->id);
nr_fdinfo_list++; nr_fdinfo_list++;
if ((nr_fdinfo_list) * sizeof(struct fdinfo_list_entry) >= 4096) { if ((nr_fdinfo_list) * sizeof(struct fdinfo_list_entry) >= FDINFO_POOL_SIZE) {
pr_err("OOM storing fdinfo_list_entries\n"); pr_err("OOM storing fdinfo_list_entries\n");
return -1; return -1;
} }