mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andi Kleen <andi@firstfloor.org>
To: linux-kernel@vger.kernel.org
Cc: akpm@linux-foundation.org, airlied@linux.ie,
	Andi Kleen <ak@linux.intel.com>
Subject: [PATCH 11/12] Don't use inline node_page_state for sysfs output functions
Date: Fri, 20 May 2011 17:01:21 -0700	[thread overview]
Message-ID: <1305936082-21304-11-git-send-email-andi@firstfloor.org> (raw)
In-Reply-To: <1305936082-21304-1-git-send-email-andi@firstfloor.org>

From: Andi Kleen <ak@linux.intel.com>

These are not time critical, and using an out of line function
saves about 2.5k text on a non force inline kernel.

I left the main hotpath user -- readahead -- inline for now.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
 drivers/base/node.c |   76 +++++++++++++++++++++++++++-----------------------
 1 files changed, 41 insertions(+), 35 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index b3b72d6..c3f3a8d 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -57,6 +57,12 @@ static inline ssize_t node_read_cpulist(struct sys_device *dev,
 static SYSDEV_ATTR(cpumap,  S_IRUGO, node_read_cpumask, NULL);
 static SYSDEV_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL);
 
+/* Don't inline */
+static unsigned long my_node_page_state(int node, enum zone_stat_item item)
+{
+	return node_page_state(node, item);
+}
+
 #define K(x) ((x) << (PAGE_SHIFT - 10))
 static ssize_t node_read_meminfo(struct sys_device * dev,
 			struct sysdev_attribute *attr, char * buf)
@@ -81,16 +87,16 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       nid, K(i.totalram),
 		       nid, K(i.freeram),
 		       nid, K(i.totalram - i.freeram),
-		       nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
-				node_page_state(nid, NR_ACTIVE_FILE)),
-		       nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
-				node_page_state(nid, NR_INACTIVE_FILE)),
-		       nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
-		       nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
-		       nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
-		       nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
-		       nid, K(node_page_state(nid, NR_UNEVICTABLE)),
-		       nid, K(node_page_state(nid, NR_MLOCK)));
+		       nid, K(my_node_page_state(nid, NR_ACTIVE_ANON) +
+				my_node_page_state(nid, NR_ACTIVE_FILE)),
+		       nid, K(my_node_page_state(nid, NR_INACTIVE_ANON) +
+				my_node_page_state(nid, NR_INACTIVE_FILE)),
+		       nid, K(my_node_page_state(nid, NR_ACTIVE_ANON)),
+		       nid, K(my_node_page_state(nid, NR_INACTIVE_ANON)),
+		       nid, K(my_node_page_state(nid, NR_ACTIVE_FILE)),
+		       nid, K(my_node_page_state(nid, NR_INACTIVE_FILE)),
+		       nid, K(my_node_page_state(nid, NR_UNEVICTABLE)),
+		       nid, K(my_node_page_state(nid, NR_MLOCK)));
 
 #ifdef CONFIG_HIGHMEM
 	n += sprintf(buf + n,
@@ -122,30 +128,30 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
 		       "Node %d AnonHugePages:  %8lu kB\n"
 #endif
 			,
-		       nid, K(node_page_state(nid, NR_FILE_DIRTY)),
-		       nid, K(node_page_state(nid, NR_WRITEBACK)),
-		       nid, K(node_page_state(nid, NR_FILE_PAGES)),
-		       nid, K(node_page_state(nid, NR_FILE_MAPPED)),
-		       nid, K(node_page_state(nid, NR_ANON_PAGES)
+		       nid, K(my_node_page_state(nid, NR_FILE_DIRTY)),
+		       nid, K(my_node_page_state(nid, NR_WRITEBACK)),
+		       nid, K(my_node_page_state(nid, NR_FILE_PAGES)),
+		       nid, K(my_node_page_state(nid, NR_FILE_MAPPED)),
+		       nid, K(my_node_page_state(nid, NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-			+ node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
+			+ my_node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
 			HPAGE_PMD_NR
 #endif
 		       ),
-		       nid, K(node_page_state(nid, NR_SHMEM)),
-		       nid, node_page_state(nid, NR_KERNEL_STACK) *
+		       nid, K(my_node_page_state(nid, NR_SHMEM)),
+		       nid, my_node_page_state(nid, NR_KERNEL_STACK) *
 				THREAD_SIZE / 1024,
-		       nid, K(node_page_state(nid, NR_PAGETABLE)),
-		       nid, K(node_page_state(nid, NR_UNSTABLE_NFS)),
-		       nid, K(node_page_state(nid, NR_BOUNCE)),
-		       nid, K(node_page_state(nid, NR_WRITEBACK_TEMP)),
-		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
-				node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
-		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-		       nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
+		       nid, K(my_node_page_state(nid, NR_PAGETABLE)),
+		       nid, K(my_node_page_state(nid, NR_UNSTABLE_NFS)),
+		       nid, K(my_node_page_state(nid, NR_BOUNCE)),
+		       nid, K(my_node_page_state(nid, NR_WRITEBACK_TEMP)),
+		       nid, K(my_node_page_state(nid, NR_SLAB_RECLAIMABLE) +
+				my_node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
+		       nid, K(my_node_page_state(nid, NR_SLAB_RECLAIMABLE)),
+		       nid, K(my_node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 			, nid,
-			K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
+			K(my_node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
 			HPAGE_PMD_NR)
 #endif
 		       );
@@ -166,12 +172,12 @@ static ssize_t node_read_numastat(struct sys_device * dev,
 		       "interleave_hit %lu\n"
 		       "local_node %lu\n"
 		       "other_node %lu\n",
-		       node_page_state(dev->id, NUMA_HIT),
-		       node_page_state(dev->id, NUMA_MISS),
-		       node_page_state(dev->id, NUMA_FOREIGN),
-		       node_page_state(dev->id, NUMA_INTERLEAVE_HIT),
-		       node_page_state(dev->id, NUMA_LOCAL),
-		       node_page_state(dev->id, NUMA_OTHER));
+		       my_node_page_state(dev->id, NUMA_HIT),
+		       my_node_page_state(dev->id, NUMA_MISS),
+		       my_node_page_state(dev->id, NUMA_FOREIGN),
+		       my_node_page_state(dev->id, NUMA_INTERLEAVE_HIT),
+		       my_node_page_state(dev->id, NUMA_LOCAL),
+		       my_node_page_state(dev->id, NUMA_OTHER));
 }
 static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
 
@@ -182,8 +188,8 @@ static ssize_t node_read_vmstat(struct sys_device *dev,
 	return sprintf(buf,
 		"nr_written %lu\n"
 		"nr_dirtied %lu\n",
-		node_page_state(nid, NR_WRITTEN),
-		node_page_state(nid, NR_DIRTIED));
+		my_node_page_state(nid, NR_WRITTEN),
+		my_node_page_state(nid, NR_DIRTIED));
 }
 static SYSDEV_ATTR(vmstat, S_IRUGO, node_read_vmstat, NULL);
 
-- 
1.7.4.4


  parent reply	other threads:[~2011-05-21  0:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-21  0:01 [PATCH 01/12] Force always inline for gcc 4.5 when optimizing for size Andi Kleen
2011-05-21  0:01 ` [PATCH 02/12] RADEON: Drop inlines from evergreen_cs.c / r600_cs.c Andi Kleen
2011-05-21  0:01 ` [PATCH 03/12] RADEON: Move r100_*_*reg out of line Andi Kleen
2011-05-21  0:01 ` [PATCH 04/12] RADEON: drop inlines in r600_blit.c Andi Kleen
2011-05-21  0:01 ` [PATCH 05/12] I915: Move i915 register accesses out of line Andi Kleen
2011-05-21  0:01 ` [PATCH 06/12] RADEON: Remove now unused functions in radeon driver Andi Kleen
2011-05-21  0:01 ` [PATCH 07/12] FB_ATY: Move register accesses out of line Andi Kleen
2011-05-21  0:01 ` [PATCH 08/12] RADEON: Remove more bogus inlines in the radeon driver Andi Kleen
2011-05-21  0:01 ` [PATCH 09/12] RADEON: Move more code out of line Andi Kleen
2011-05-21  0:01 ` [PATCH 10/12] X86: Move alloc_intr_gate " Andi Kleen
2011-05-21 10:27   ` Ingo Molnar
2011-05-21  0:01 ` Andi Kleen [this message]
2011-05-21  0:01 ` [PATCH 12/12] REISERFS: reiserfs drop unnecessary inlines Andi Kleen
2011-05-22  7:21 ` [PATCH 01/12] Force always inline for gcc 4.5 when optimizing for size Dave Airlie
2011-05-22  7:42   ` Andi Kleen
2011-05-22 20:20     ` Dave Airlie

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1305936082-21304-11-git-send-email-andi@firstfloor.org \
    --to=andi@firstfloor.org \
    --cc=airlied@linux.ie \
    --cc=ak@linux.intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®