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List:       git-commits-head
Subject:    profile: Suppress warning about large allocations when profile=1 is specified
From:       Linux Kernel Mailing List <linux-kernel () vger ! kernel ! org>
Date:       2009-07-31 0:00:01
Message-ID: 200907310000.n6V001S2024729 () hera ! kernel ! org
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Gitweb:     http://git.kernel.org/linus/e5d490b252423605a77c54b2e35b10ea663763df
Commit:     e5d490b252423605a77c54b2e35b10ea663763df
Parent:     78af08d90b8f745044b1274430bc4bc6b2b27aca
Author:     Mel Gorman <mel@csn.ul.ie>
AuthorDate: Wed Jul 15 12:23:11 2009 +0100
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Sat Jul 18 12:55:28 2009 +0200

    profile: Suppress warning about large allocations when profile=1 is specified
    
    When profile= is used, a large buffer is allocated early at
    boot. This can be larger than what the page allocator can
    provide so it prints a warning. However, the caller is able to
    handle the situation so this patch suppresses the warning.
    
    Signed-off-by: Mel Gorman <mel@csn.ul.ie>
    Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
    Cc: Linux Memory Management List <linux-mm@kvack.org>
    Cc: Heinz Diehl <htd@fancy-poultry.org>
    Cc: David Miller <davem@davemloft.net>
    Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
    Cc: Mel Gorman <mel@csn.ul.ie>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    LKML-Reference: <1247656992-19846-3-git-send-email-mel@csn.ul.ie>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/profile.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/profile.c b/kernel/profile.c
index 69911b5..419250e 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -117,11 +117,12 @@ int __ref profile_init(void)
 
 	cpumask_copy(prof_cpu_mask, cpu_possible_mask);
 
-	prof_buffer = kzalloc(buffer_bytes, GFP_KERNEL);
+	prof_buffer = kzalloc(buffer_bytes, GFP_KERNEL|__GFP_NOWARN);
 	if (prof_buffer)
 		return 0;
 
-	prof_buffer = alloc_pages_exact(buffer_bytes, GFP_KERNEL|__GFP_ZERO);
+	prof_buffer = alloc_pages_exact(buffer_bytes,
+					GFP_KERNEL|__GFP_ZERO|__GFP_NOWARN);
 	if (prof_buffer)
 		return 0;
 
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