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    SubjectRe: [PATCH 1/5] rename anon_vma_lock to vma_lock_anon_vma
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    On Wed, 2010-05-26 at 15:38 -0400, Rik van Riel wrote:
    > Subject: rename anon_vma_lock to vma_lock_anon_vma
    >
    > Rename anon_vma_lock to vma_lock_anon_vma. This matches the
    > naming style used in page_lock_anon_vma and will come in really
    > handy further down in this patch series.
    >
    > Signed-off-by: Rik van Riel <riel@redhat.com>
    > Acked-by: Mel Gorman <mel@csn.ul.ie>
    > Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

    Tested and Acked-by: Larry Woodman <lwoodman@redhat.com>

    > ---
    > include/linux/rmap.h | 4 ++--
    > mm/mmap.c | 14 +++++++-------
    > 2 files changed, 9 insertions(+), 9 deletions(-)
    >
    > Index: linux-2.6.34/include/linux/rmap.h
    > ===================================================================
    > --- linux-2.6.34.orig/include/linux/rmap.h
    > +++ linux-2.6.34/include/linux/rmap.h
    > @@ -99,14 +99,14 @@ static inline struct anon_vma *page_anon
    > return page_rmapping(page);
    > }
    >
    > -static inline void anon_vma_lock(struct vm_area_struct *vma)
    > +static inline void vma_lock_anon_vma(struct vm_area_struct *vma)
    > {
    > struct anon_vma *anon_vma = vma->anon_vma;
    > if (anon_vma)
    > spin_lock(&anon_vma->lock);
    > }
    >
    > -static inline void anon_vma_unlock(struct vm_area_struct *vma)
    > +static inline void vma_unlock_anon_vma(struct vm_area_struct *vma)
    > {
    > struct anon_vma *anon_vma = vma->anon_vma;
    > if (anon_vma)
    > Index: linux-2.6.34/mm/mmap.c
    > ===================================================================
    > --- linux-2.6.34.orig/mm/mmap.c
    > +++ linux-2.6.34/mm/mmap.c
    > @@ -452,12 +452,12 @@ static void vma_link(struct mm_struct *m
    > spin_lock(&mapping->i_mmap_lock);
    > vma->vm_truncate_count = mapping->truncate_count;
    > }
    > - anon_vma_lock(vma);
    > + vma_lock_anon_vma(vma);
    >
    > __vma_link(mm, vma, prev, rb_link, rb_parent);
    > __vma_link_file(vma);
    >
    > - anon_vma_unlock(vma);
    > + vma_unlock_anon_vma(vma);
    > if (mapping)
    > spin_unlock(&mapping->i_mmap_lock);
    >
    > @@ -1710,7 +1710,7 @@ int expand_upwards(struct vm_area_struct
    > */
    > if (unlikely(anon_vma_prepare(vma)))
    > return -ENOMEM;
    > - anon_vma_lock(vma);
    > + vma_lock_anon_vma(vma);
    >
    > /*
    > * vma->vm_start/vm_end cannot change under us because the caller
    > @@ -1721,7 +1721,7 @@ int expand_upwards(struct vm_area_struct
    > if (address < PAGE_ALIGN(address+4))
    > address = PAGE_ALIGN(address+4);
    > else {
    > - anon_vma_unlock(vma);
    > + vma_unlock_anon_vma(vma);
    > return -ENOMEM;
    > }
    > error = 0;
    > @@ -1737,7 +1737,7 @@ int expand_upwards(struct vm_area_struct
    > if (!error)
    > vma->vm_end = address;
    > }
    > - anon_vma_unlock(vma);
    > + vma_unlock_anon_vma(vma);
    > return error;
    > }
    > #endif /* CONFIG_STACK_GROWSUP || CONFIG_IA64 */
    > @@ -1762,7 +1762,7 @@ static int expand_downwards(struct vm_ar
    > if (error)
    > return error;
    >
    > - anon_vma_lock(vma);
    > + vma_lock_anon_vma(vma);
    >
    > /*
    > * vma->vm_start/vm_end cannot change under us because the caller
    > @@ -1783,7 +1783,7 @@ static int expand_downwards(struct vm_ar
    > vma->vm_pgoff -= grow;
    > }
    > }
    > - anon_vma_unlock(vma);
    > + vma_unlock_anon_vma(vma);
    > return error;
    > }
    >
    >
    > --
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