Commit e67b7ce3 authored Sep 23, 2014 by Jordan Crouse

fs/seq_file: Use vmalloc by default for allocations > PAGE_SIZE



Some OOM implementations are pretty trigger happy when it comes to
releasing memory for kmalloc() allocations.  We might as well head
straight to vmalloc for allocations over PAGE_SIZE.

Change-Id: Ic0dedbadc8bf551d34cc5d77c8073938d4adef80
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>

parent 53f0b618

fs/seq_file.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -36,9 +36,11 @@ static void *seq_buf_alloc(unsigned long size)
		{
		void *buf;

		buf = kmalloc(size, GFP_KERNEL \| __GFP_NOWARN);
		if (!buf && size > PAGE_SIZE)
		if (size > PAGE_SIZE)
		buf = vmalloc(size);
		else
		buf = kmalloc(size, GFP_KERNEL \| __GFP_NOWARN);

		return buf;
		}