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-rw-r--r--fs/seq_file.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 00bbe2bfc634..e85664b7c7d9 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -26,12 +26,17 @@ static void seq_set_overflow(struct seq_file *m)
26static void *seq_buf_alloc(unsigned long size) 26static void *seq_buf_alloc(unsigned long size)
27{ 27{
28 void *buf; 28 void *buf;
29 gfp_t gfp = GFP_KERNEL;
29 30
30 /* 31 /*
31 * __GFP_NORETRY to avoid oom-killings with high-order allocations - 32 * For high order allocations, use __GFP_NORETRY to avoid oom-killing -
32 * it's better to fall back to vmalloc() than to kill things. 33 * it's better to fall back to vmalloc() than to kill things. For small
34 * allocations, just use GFP_KERNEL which will oom kill, thus no need
35 * for vmalloc fallback.
33 */ 36 */
34 buf = kmalloc(size, GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); 37 if (size > PAGE_SIZE)
38 gfp |= __GFP_NORETRY | __GFP_NOWARN;
39 buf = kmalloc(size, gfp);
35 if (!buf && size > PAGE_SIZE) 40 if (!buf && size > PAGE_SIZE)
36 buf = vmalloc(size); 41 buf = vmalloc(size);
37 return buf; 42 return buf;