From: Michal Nazarewicz <mina86@mina86.com>
Date: Thu, 13 Nov 2014 23:19:27 +0000 (-0800)
Subject: mm: alloc_contig_range: demote pages busy message from warn to info
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~120^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dae803e165a11bc88ca8dbc07a11077caf97bbcb;p=pandora-kernel.git

mm: alloc_contig_range: demote pages busy message from warn to info

Having test_pages_isolated failure message as a warning confuses users
into thinking that it is more serious than it really is.  In reality, if
called via CMA, allocation will be retried so a single
test_pages_isolated failure does not prevent allocation from succeeding.

Demote the warning message to an info message and reformat it such that
the text "failed" does not appear and instead a less worrying "PFNS
busy" is used.

This message is trivially reproducible on a 10GB x86 machine on 3.16.y
kernels configured with CONFIG_DMA_CMA.

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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