From: roy.qing.li@gmail.com
To: cgroups@vger.kernel.org, linux-mm@kvack.org
Cc: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov@virtuozzo.com
Subject: [PATCH] mm: memcontrol: move comments for get_mctgt_type to proper position
Date: Thu, 19 May 2016 15:57:18 +0800 [thread overview]
Message-ID: <1463644638-7446-1-git-send-email-roy.qing.li@gmail.com> (raw)
From: Li RongQing <roy.qing.li@gmail.com>
move the comments for get_mctgt_type before the get_mctgt_type function
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
---
mm/memcontrol.c | 37 +++++++++++++++++++------------------
1 file changed, 19 insertions(+), 18 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index fe787f5..00981d2 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4290,24 +4290,6 @@ static int mem_cgroup_do_precharge(unsigned long count)
return 0;
}
-/**
- * get_mctgt_type - get target type of moving charge
- * @vma: the vma the pte to be checked belongs
- * @addr: the address corresponding to the pte to be checked
- * @ptent: the pte to be checked
- * @target: the pointer the target page or swap ent will be stored(can be NULL)
- *
- * Returns
- * 0(MC_TARGET_NONE): if the pte is not a target for move charge.
- * 1(MC_TARGET_PAGE): if the page corresponding to this pte is a target for
- * move charge. if @target is not NULL, the page is stored in target->page
- * with extra refcnt got(Callers should handle it).
- * 2(MC_TARGET_SWAP): if the swap entry corresponding to this pte is a
- * target for charge migration. if @target is not NULL, the entry is stored
- * in target->ent.
- *
- * Called with pte lock held.
- */
union mc_target {
struct page *page;
swp_entry_t ent;
@@ -4496,6 +4478,25 @@ out:
return ret;
}
+/**
+ * get_mctgt_type - get target type of moving charge
+ * @vma: the vma the pte to be checked belongs
+ * @addr: the address corresponding to the pte to be checked
+ * @ptent: the pte to be checked
+ * @target: the pointer the target page or swap ent will be stored(can be NULL)
+ *
+ * Returns
+ * 0(MC_TARGET_NONE): if the pte is not a target for move charge.
+ * 1(MC_TARGET_PAGE): if the page corresponding to this pte is a target for
+ * move charge. if @target is not NULL, the page is stored in target->page
+ * with extra refcnt got(Callers should handle it).
+ * 2(MC_TARGET_SWAP): if the swap entry corresponding to this pte is a
+ * target for charge migration. if @target is not NULL, the entry is stored
+ * in target->ent.
+ *
+ * Called with pte lock held.
+ */
+
static enum mc_target_type get_mctgt_type(struct vm_area_struct *vma,
unsigned long addr, pte_t ptent, union mc_target *target)
{
--
2.1.4
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next reply other threads:[~2016-05-19 7:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-19 7:57 roy.qing.li [this message]
2016-05-19 8:21 ` [PATCH] mm: memcontrol: move comments for get_mctgt_type to proper position Michal Hocko
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