diff options
| author |   Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2014-01-21 15:49:48 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 16:19:45 -0800 |
| commit | 051ac83adf69eea4f57a97356e4282e395a5fa6d (patch) | |
| tree | 82961f46bc13e50e8a6aacad99dcd09c8df0ff4d /include/linux/rmap.h | |
| parent | mm/rmap: factor lock function out of rmap_walk_anon() (diff) | |
| download | linux-dev-051ac83adf69eea4f57a97356e4282e395a5fa6d.tar.xz linux-dev-051ac83adf69eea4f57a97356e4282e395a5fa6d.zip | |
mm/rmap: make rmap_walk to get the rmap_walk_control argument
In each rmap traverse case, there is some difference so that we need
function pointers and arguments to them in order to handle these
For this purpose, struct rmap_walk_control is introduced in this patch,
and will be extended in following patch. Introducing and extending are
separate, because it clarify changes.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/rmap.h')
| -rw-r--r-- | include/linux/rmap.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 6dacb93a6d94..6a456ce6de20 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -235,11 +235,16 @@ struct anon_vma *page_lock_anon_vma_read(struct page *page); void page_unlock_anon_vma_read(struct anon_vma *anon_vma); int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma); +struct rmap_walk_control { + void *arg; + int (*rmap_one)(struct page *page, struct vm_area_struct *vma, + unsigned long addr, void *arg); +}; + /* * Called by migrate.c to remove migration ptes, but might be used more later. */ -int rmap_walk(struct page *page, int (*rmap_one)(struct page *, - struct vm_area_struct *, unsigned long, void *), void *arg); +int rmap_walk(struct page *page, struct rmap_walk_control *rwc); #else /* !CONFIG_MMU */ |