The patch titled
Subject: zram: Introduce an aged idle interface
has been added to the -mm tree. Its filename is
zram-introduce-an-aged-idle-interface-v6.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/zram-introduce-an-aged-idle-interface-v6.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/zram-introduce-an-aged-idle-interface-v6.patch
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------------------------------------------------------
From: Brian Geffon <bgeffon@xxxxxxxxxx>
Subject: zram: Introduce an aged idle interface
Sergey's cleanup suggestions
Link: https://lkml.kernel.org/r/20210929143056.13067-1-bgeffon@xxxxxxxxxx
Signed-off-by: Brian Geffon <bgeffon@xxxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/block/zram/zram_drv.c~zram-introduce-an-aged-idle-interface-v6
+++ a/drivers/block/zram/zram_drv.c
@@ -310,7 +310,7 @@ static void mark_idle(struct zram *zram,
if (zram_allocated(zram, index) &&
!zram_test_flag(zram, index, ZRAM_UNDER_WB)) {
#ifdef CONFIG_ZRAM_MEMORY_TRACKING
- is_idle = (!cutoff || ktime_after(cutoff, zram->table[index].ac_time));
+ is_idle = !cutoff || ktime_after(cutoff, zram->table[index].ac_time);
#endif
if (is_idle)
zram_set_flag(zram, index, ZRAM_IDLE);
@@ -332,6 +332,7 @@ static ssize_t idle_store(struct device
* we have memory tracking enabled.
*/
u64 age_sec;
+
if (IS_ENABLED(CONFIG_ZRAM_MEMORY_TRACKING) && !kstrtoull(buf, 0, &age_sec))
cutoff_time = ktime_sub(ktime_get_boottime(),
ns_to_ktime(age_sec * NSEC_PER_SEC));
@@ -343,7 +344,7 @@ static ssize_t idle_store(struct device
if (!init_done(zram))
goto out_unlock;
- /* A age_sec of 0 marks everything as idle, this is the "all" behavior */
+ /* A cutoff_time of 0 marks everything as idle, this is the "all" behavior */
mark_idle(zram, cutoff_time);
rv = len;
_
Patches currently in -mm which might be from bgeffon@xxxxxxxxxx are
zram-introduce-an-aged-idle-interface.patch
zram-introduce-an-aged-idle-interface-v5.patch
zram-introduce-an-aged-idle-interface-v6.patch
