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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2014-01-21 15:49:50 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-21 16:19:45 -0800
commit52629506420ce32997f1fba0a1ab2f1aaa9a4f79 (patch)
tree1dd4e4fbe8f192a0f940adbf466b5cce07e9b6a2 /mm/ksm.c
parent0dd1c7bbce8d1d142bb25aefaa50262dfd77cb78 (diff)
downloadop-kernel-dev-52629506420ce32997f1fba0a1ab2f1aaa9a4f79.zip
op-kernel-dev-52629506420ce32997f1fba0a1ab2f1aaa9a4f79.tar.gz
mm/rmap: use rmap_walk() in try_to_unmap()
Now, we have an infrastructure in rmap_walk() to handle difference from variants of rmap traversing functions. So, just use it in try_to_unmap(). In this patch, I change following things. 1. enable rmap_walk() if !CONFIG_MIGRATION. 2. mechanical change to use rmap_walk() in try_to_unmap(). 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 'mm/ksm.c')
-rw-r--r--mm/ksm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index 91b8cb3..6b4baa9 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1982,7 +1982,7 @@ again:
continue;
ret = try_to_unmap_one(page, vma,
- rmap_item->address, flags);
+ rmap_item->address, (void *)flags);
if (ret != SWAP_AGAIN || !page_mapped(page)) {
anon_vma_unlock_read(anon_vma);
goto out;
@@ -1996,7 +1996,6 @@ out:
return ret;
}
-#ifdef CONFIG_MIGRATION
int rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc)
{
struct stable_node *stable_node;
@@ -2054,6 +2053,7 @@ out:
return ret;
}
+#ifdef CONFIG_MIGRATION
void ksm_migrate_page(struct page *newpage, struct page *oldpage)
{
struct stable_node *stable_node;
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