lkml.org 
[lkml]   [2023]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] zram: take the benefit of kvzalloc_node
Date
Using kvzalloc and zram can benefit from huge page table mapping, so lets
use kvzalloc_node/kvfree instead of vzalloc_node/vfree.

Signed-off-by: Ze Zuo <zuoze1@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
drivers/block/zram/zram_drv.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 692993e48e93..97241f166324 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1249,7 +1249,7 @@ static void zram_meta_free(struct zram *zram, u64 disksize)
zram_free_page(zram, index);

zs_destroy_pool(zram->mem_pool);
- vfree(zram->table);
+ kvfree(zram->table);
}

static bool zram_meta_alloc(struct zram *zram, u64 disksize)
@@ -1257,13 +1257,14 @@ static bool zram_meta_alloc(struct zram *zram, u64 disksize)
size_t num_pages;

num_pages = disksize >> PAGE_SHIFT;
- zram->table = vzalloc_node(array_size(num_pages, sizeof(*zram->table)), node_id);
+ zram->table = kvzalloc_node(array_size(num_pages, sizeof(*zram->table)),
+ GFP_KERNEL, node_id);
if (!zram->table)
return false;

zram->mem_pool = zs_create_pool(zram->disk->disk_name);
if (!zram->mem_pool) {
- vfree(zram->table);
+ kvfree(zram->table);
return false;
}

--
2.25.1
\
 
 \ /
  Last update: 2023-09-01 09:20    [W:0.180 / U:1.508 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site