* [PATCH] fs: Move bh_cachep to the __read_mostly section
@ 2012-05-15 9:29 Vlad Zolotarov
0 siblings, 0 replies; 4+ messages in thread
From: Vlad Zolotarov @ 2012-05-15 9:29 UTC (permalink / raw)
To: linux-kernel, viro; +Cc: linux-fsdevel
From: Shai Fultheim <shai@scalemp.com>
bh_cachep is only written to once on initialization, so move it to the
__read_mostly section.
Signed-off-by: Shai Fultheim <shai@scalemp.com>
Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
---
fs/buffer.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 36d6665..a1d82fb 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3151,7 +3151,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data)
/*
* Buffer-head allocation
*/
-static struct kmem_cache *bh_cachep;
+static struct kmem_cache *bh_cachep __read_mostly;
/*
* Once the number of bh's in the machine exceeds this level, we start
--
1.7.7.6
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH] fs: Move bh_cachep to the __read_mostly section
@ 2012-04-24 11:22 Vlad Zolotarov
2012-05-03 11:26 ` Vlad Zolotarov
0 siblings, 1 reply; 4+ messages in thread
From: Vlad Zolotarov @ 2012-04-24 11:22 UTC (permalink / raw)
To: linux-kernel
Cc: alan, Shai Fultheim (Shai@ScaleMP.com),
H. Peter Anvin, Ingo Molnar, Thomas Gleixner
From: Shai Fultheim <shai@scalemp.com>
bh_cachep is only written to once on initialization, so move it to the
__read_mostly section.
Signed-off-by: Shai Fultheim <shai@scalemp.com>
Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
---
fs/buffer.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 36d6665..a1d82fb 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3151,7 +3151,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data)
/*
* Buffer-head allocation
*/
-static struct kmem_cache *bh_cachep;
+static struct kmem_cache *bh_cachep __read_mostly;
/*
* Once the number of bh's in the machine exceeds this level, we start
--
1.7.7.6
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] fs: Move bh_cachep to the __read_mostly section
2012-04-24 11:22 Vlad Zolotarov
@ 2012-05-03 11:26 ` Vlad Zolotarov
0 siblings, 0 replies; 4+ messages in thread
From: Vlad Zolotarov @ 2012-05-03 11:26 UTC (permalink / raw)
To: H. Peter Anvin, Ingo Molnar
Cc: linux-kernel, alan, Shai Fultheim (Shai@ScaleMP.com), Thomas Gleixner
On Tuesday, April 24, 2012 02:22:22 pm Vlad Zolotarov wrote:
> From: Shai Fultheim <shai@scalemp.com>
>
> bh_cachep is only written to once on initialization, so move it to the
> __read_mostly section.
>
> Signed-off-by: Shai Fultheim <shai@scalemp.com>
> Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
> ---
> fs/buffer.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/fs/buffer.c b/fs/buffer.c
> index 36d6665..a1d82fb 100644
> --- a/fs/buffer.c
> +++ b/fs/buffer.c
> @@ -3151,7 +3151,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data)
> /*
> * Buffer-head allocation
> */
> -static struct kmem_cache *bh_cachep;
> +static struct kmem_cache *bh_cachep __read_mostly;
>
> /*
> * Once the number of bh's in the machine exceeds this level, we start
Thomas, Ingo, Peter, Alan, do u want me to respin this patch?
(Alan, this one is not x86 ;))
Could u, pls., advice what should be done for it to be applied?
thanks,
vlad
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH] fs: Move bh_cachep to the __read_mostly section
@ 2012-04-17 10:11 Vlad Zolotarov
0 siblings, 0 replies; 4+ messages in thread
From: Vlad Zolotarov @ 2012-04-17 10:11 UTC (permalink / raw)
To: linux-kernel, tglx, mingo, hpa; +Cc: Shai Fultheim (Shai@ScaleMP.com), andrea
From: Shai Fultheim <shai@scalemp.com>
bh_cachep is only written to once on initialization, so move it to the
__read_mostly section.
Signed-off-by: Shai Fultheim <shai@scalemp.com>
Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
---
fs/buffer.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 36d6665..a1d82fb 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3151,7 +3151,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data)
/*
* Buffer-head allocation
*/
-static struct kmem_cache *bh_cachep;
+static struct kmem_cache *bh_cachep __read_mostly;
/*
* Once the number of bh's in the machine exceeds this level, we start
--
1.7.7.6
^ permalink raw reply related [flat|nested] 4+ messages in thread
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