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authorChristoph Lameter <clameter@sgi.com>2006-06-23 02:03:52 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:53 -0700
commitaaa994b300a172afafab47938804836b923e5ef7 (patch)
treeccc1acf72e9d1dfbd25fa5f8e067a195f93b0319 /mm/mempolicy.c
parente24f0b8f76cc3dd96f36f5b6a9f020f6c3fce198 (diff)
downloadop-kernel-dev-aaa994b300a172afafab47938804836b923e5ef7.zip
op-kernel-dev-aaa994b300a172afafab47938804836b923e5ef7.tar.gz
[PATCH] page migration: handle freeing of pages in migrate_pages()
Do not leave pages on the lists passed to migrate_pages(). Seems that we will not need any postprocessing of pages. This will simplify the handling of pages by the callers of migrate_pages(). Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: Jes Sorensen <jes@trained-monkey.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 8778f58..244f3f1 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -603,11 +603,8 @@ int migrate_to_node(struct mm_struct *mm, int source, int dest, int flags)
check_range(mm, mm->mmap->vm_start, TASK_SIZE, &nmask,
flags | MPOL_MF_DISCONTIG_OK, &pagelist);
- if (!list_empty(&pagelist)) {
+ if (!list_empty(&pagelist))
err = migrate_pages_to(&pagelist, NULL, dest);
- if (!list_empty(&pagelist))
- putback_lru_pages(&pagelist);
- }
return err;
}
@@ -773,9 +770,6 @@ long do_mbind(unsigned long start, unsigned long len,
err = -EIO;
}
- if (!list_empty(&pagelist))
- putback_lru_pages(&pagelist);
-
up_write(&mm->mmap_sem);
mpol_free(new);
return err;
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