lkml.org 
[lkml]   [2022]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 6/7] ksm: convert ksm_mm_slot.link to ksm_mm_slot.hash
Date
In order to use common struct mm_slot, convert ksm_mm_slot.link
to ksm_mm_slot.hash in advance, no functional change.

Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
---
mm/ksm.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 8c52aa7e0a02..667efca75b0d 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -113,13 +113,13 @@

/**
* struct ksm_mm_slot - ksm information per mm that is being scanned
- * @link: link to the mm_slots hash list
+ * @hash: link to the mm_slots hash list
* @mm_node: link into the mm_slots list, rooted in ksm_mm_head
* @rmap_list: head for this mm_slot's singly-linked list of rmap_items
* @mm: the mm that this information is valid for
*/
struct ksm_mm_slot {
- struct hlist_node link;
+ struct hlist_node hash;
struct list_head mm_node;
struct ksm_rmap_item *rmap_list;
struct mm_struct *mm;
@@ -424,7 +424,7 @@ static struct ksm_mm_slot *get_mm_slot(struct mm_struct *mm)
{
struct ksm_mm_slot *slot;

- hash_for_each_possible(mm_slots_hash, slot, link, (unsigned long)mm)
+ hash_for_each_possible(mm_slots_hash, slot, hash, (unsigned long)mm)
if (slot->mm == mm)
return slot;

@@ -435,7 +435,7 @@ static void insert_to_mm_slots_hash(struct mm_struct *mm,
struct ksm_mm_slot *mm_slot)
{
mm_slot->mm = mm;
- hash_add(mm_slots_hash, &mm_slot->link, (unsigned long)mm);
+ hash_add(mm_slots_hash, &mm_slot->hash, (unsigned long)mm);
}

/*
@@ -1008,7 +1008,7 @@ static int unmerge_and_remove_all_rmap_items(void)
ksm_scan.mm_slot = list_entry(mm_slot->mm_node.next,
struct ksm_mm_slot, mm_node);
if (ksm_test_exit(mm)) {
- hash_del(&mm_slot->link);
+ hash_del(&mm_slot->hash);
list_del(&mm_slot->mm_node);
spin_unlock(&ksm_mmlist_lock);

@@ -2376,7 +2376,7 @@ static struct ksm_rmap_item *scan_get_next_rmap_item(struct page **page)
* or when all VM_MERGEABLE areas have been unmapped (and
* mmap_lock then protects against race with MADV_MERGEABLE).
*/
- hash_del(&slot->link);
+ hash_del(&slot->hash);
list_del(&slot->mm_node);
spin_unlock(&ksm_mmlist_lock);

@@ -2570,7 +2570,7 @@ void __ksm_exit(struct mm_struct *mm)
mm_slot = get_mm_slot(mm);
if (mm_slot && ksm_scan.mm_slot != mm_slot) {
if (!mm_slot->rmap_list) {
- hash_del(&mm_slot->link);
+ hash_del(&mm_slot->hash);
list_del(&mm_slot->mm_node);
easy_to_free = 1;
} else {
--
2.20.1
\
 
 \ /
  Last update: 2022-08-31 05:22    [W:0.672 / U:0.972 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site