The patch titled
Subject: proc: add cond_resched to /proc/kpage* read/write loop
has been removed from the -mm tree. Its filename was
proc-add-cond_resched-to-proc-kpage-read-write-loop.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Subject: proc: add cond_resched to /proc/kpage* read/write loop
Reading/writing a /proc/kpage* file may take long on machines with a lot
of RAM installed.
Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Suggested-by: Andres Lagar-Cavilla <andreslc@xxxxxxxxxx>
Reviewed-by: Andres Lagar-Cavilla <andreslc@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Greg Thelen <gthelen@xxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/page.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN fs/proc/page.c~proc-add-cond_resched-to-proc-kpage-read-write-loop fs/proc/page.c
--- a/fs/proc/page.c~proc-add-cond_resched-to-proc-kpage-read-write-loop
+++ a/fs/proc/page.c
@@ -58,6 +58,8 @@ static ssize_t kpagecount_read(struct fi
pfn++;
out++;
count -= KPMSIZE;
+
+ cond_resched();
}
*ppos += (char __user *)out - buf;
@@ -219,6 +221,8 @@ static ssize_t kpageflags_read(struct fi
pfn++;
out++;
count -= KPMSIZE;
+
+ cond_resched();
}
*ppos += (char __user *)out - buf;
@@ -267,6 +271,8 @@ static ssize_t kpagecgroup_read(struct f
pfn++;
out++;
count -= KPMSIZE;
+
+ cond_resched();
}
*ppos += (char __user *)out - buf;
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
