Hi Christoph,
FYI, there are new compile warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/glommer/memcg.git slab-common/kmalloc
head: f957c1ead131972db578b945e25982f4607da6ba
commit: 1265e4cd1545c612bd0397d3d83fff5301a4beb4 [27/30] CK1 [11/13] Common constants for kmalloc boundaries
config: ia64-defconfig
All warnings:
fs/proc/stat.c: In function 'stat_open':
fs/proc/stat.c:191:3: warning: large integer implicitly truncated to unsigned type [-Woverflow]
vim +191 fs/proc/stat.c
df8106db (Alexey Dobriyan 2008-10-05 179) static int stat_open(struct inode *inode, struct file *file)
df8106db (Alexey Dobriyan 2008-10-05 180) {
59a32e2c (Eric Dumazet 2012-03-23 181) unsigned size = 1024 + 128 * num_possible_cpus();
df8106db (Alexey Dobriyan 2008-10-05 182) char *buf;
df8106db (Alexey Dobriyan 2008-10-05 183) struct seq_file *m;
df8106db (Alexey Dobriyan 2008-10-05 184) int res;
df8106db (Alexey Dobriyan 2008-10-05 185)
59a32e2c (Eric Dumazet 2012-03-23 186) /* minimum size to display an interrupt count : 2 bytes */
59a32e2c (Eric Dumazet 2012-03-23 187) size += 2 * nr_irqs;
59a32e2c (Eric Dumazet 2012-03-23 188)
a4dbf0ec (Yuanhan Liu 2011-05-26 189) /* don't ask for more than the kmalloc() max size */
a4dbf0ec (Yuanhan Liu 2011-05-26 190) if (size > KMALLOC_MAX_SIZE)
a4dbf0ec (Yuanhan Liu 2011-05-26 @191) size = KMALLOC_MAX_SIZE;
df8106db (Alexey Dobriyan 2008-10-05 192) buf = kmalloc(size, GFP_KERNEL);
df8106db (Alexey Dobriyan 2008-10-05 193) if (!buf)
df8106db (Alexey Dobriyan 2008-10-05 194) return -ENOMEM;
df8106db (Alexey Dobriyan 2008-10-05 195)
df8106db (Alexey Dobriyan 2008-10-05 196) res = single_open(file, show_stat, NULL);
df8106db (Alexey Dobriyan 2008-10-05 197) if (!res) {
df8106db (Alexey Dobriyan 2008-10-05 198) m = file->private_data;
df8106db (Alexey Dobriyan 2008-10-05 199) m->buf = buf;
---
0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation
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