linux-kernel - Re: [next:akpm 136/313] mm/mmap.c:1878:6: error: 'mm' undeclared

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Date:	Thu, 8 Nov 2012 22:21:50 -0800
From:	Michel Lespinasse <walken@...gle.com>
To:	kbuild test robot <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [next:akpm 136/313] mm/mmap.c:1878:6: error: 'mm' undeclared

On Fri, Nov 09, 2012 at 01:59:21PM +0800, kbuild test robot wrote:
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
> head:   6703d59701f7592c897b975de3952ba6bbb98b83
> commit: db877c95d306d688818542d49e9b63eb7a3b0894 [136/313] mm: augment vma rbtree with rb_subtree_gap
> config: make ARCH=ia64 alldefconfig
> 
> All error/warnings:
> 
> mm/mmap.c: In function 'expand_upwards':
> mm/mmap.c:1878:6: error: 'mm' undeclared (first use in this function)
> mm/mmap.c:1878:6: note: each undeclared identifier is reported only once for each function it appears in

commit 34550b95185c1ecfa8882664744c14edda385868
Author: Michel Lespinasse <walken@...gle.com>
Date:   Thu Nov 8 22:14:34 2012 -0800

    fix mm: augment vma rbtree with rb_subtree_gap

diff --git a/mm/mmap.c b/mm/mmap.c
index d12c69eaf23f..0b8f9d83e2e2 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2032,7 +2032,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
 				if (vma->vm_next)
 					vma_gap_update(vma->vm_next);
 				else
-					mm->highest_vm_end = address;
+					vma->vm_mm->highest_vm_end = address;
 				perf_event_mmap(vma);
 			}
 		}
--
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