* [PATCH] x86: fix warning about nodeid
[not found] <20090305141424.GA9294@elte.hu>
@ 2009-03-05 20:04 ` Yinghai Lu
2009-03-06 15:27 ` [tip:x86/mm] " Yinghai Lu
2009-03-08 18:54 ` [tip:kmemcheck] " Yinghai Lu
0 siblings, 2 replies; 3+ messages in thread
From: Yinghai Lu @ 2009-03-05 20:04 UTC (permalink / raw)
To: Ingo Molnar, Thomas Gleixner, H. Peter Anvin, Andrew Morton; +Cc: linux-kernel
Impact: cleanup
Ingo found there warning about nodeid with some configs.
try to use for_each_online_node for non numa too. in that case nodeid will be 0.
also move out boundary checking from setup_node_bootmem(), so non-numa config
will not check it.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
arch/x86/mm/init_32.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)
Index: linux-2.6/arch/x86/mm/init_32.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/init_32.c
+++ linux-2.6/arch/x86/mm/init_32.c
@@ -806,11 +806,6 @@ static unsigned long __init setup_node_b
{
unsigned long bootmap_size;
- if (start_pfn > max_low_pfn)
- return bootmap;
- if (end_pfn > max_low_pfn)
- end_pfn = max_low_pfn;
-
/* don't touch min_low_pfn */
bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
bootmap >> PAGE_SHIFT,
@@ -843,13 +838,23 @@ void __init setup_bootmem_allocator(void
max_pfn_mapped<<PAGE_SHIFT);
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+ for_each_online_node(nodeid) {
+ unsigned long start_pfn, end_pfn;
+
#ifdef CONFIG_NEED_MULTIPLE_NODES
- for_each_online_node(nodeid)
- bootmap = setup_node_bootmem(nodeid, node_start_pfn[nodeid],
- node_end_pfn[nodeid], bootmap);
+ start_pfn = node_start_pfn[nodeid];
+ end_pfn = node_end_pfn[nodeid];
+ if (start_pfn > max_low_pfn)
+ continue;
+ if (end_pfn > max_low_pfn)
+ end_pfn = max_low_pfn;
#else
- bootmap = setup_node_bootmem(0, 0, max_low_pfn, bootmap);
+ start_pfn = 0;
+ end_pfn = max_low_pfn;
#endif
+ bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
+ bootmap);
+ }
after_bootmem = 1;
}
^ permalink raw reply [flat|nested] 3+ messages in thread
* [tip:x86/mm] x86: fix warning about nodeid
2009-03-05 20:04 ` [PATCH] x86: fix warning about nodeid Yinghai Lu
@ 2009-03-06 15:27 ` Yinghai Lu
2009-03-08 18:54 ` [tip:kmemcheck] " Yinghai Lu
1 sibling, 0 replies; 3+ messages in thread
From: Yinghai Lu @ 2009-03-06 15:27 UTC (permalink / raw)
To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, yinghai, akpm, tglx, mingo
Commit-ID: 5ed346892ca84c1fa36182b17ad117f72f6b5328
Gitweb: http://git.kernel.org/tip/5ed346892ca84c1fa36182b17ad117f72f6b5328
Author: "Yinghai Lu" <yinghai@kernel.org>
AuthorDate: Thu, 5 Mar 2009 12:04:57 -0800
Commit: Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 6 Mar 2009 16:25:45 +0100
x86: fix warning about nodeid
Impact: cleanup
Ingo found there warning about nodeid with some configs.
try to use for_each_online_node for non numa too. in that case
nodeid will be 0.
also move out boundary checking from setup_node_bootmem(), so
non-numa config will not check it.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <49B03069.80001@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/mm/init_32.c | 23 ++++++++++++++---------
1 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 07bfd60..9f77301 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -754,11 +754,6 @@ static unsigned long __init setup_node_bootmem(int nodeid,
{
unsigned long bootmap_size;
- if (start_pfn > max_low_pfn)
- return bootmap;
- if (end_pfn > max_low_pfn)
- end_pfn = max_low_pfn;
-
/* don't touch min_low_pfn */
bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
bootmap >> PAGE_SHIFT,
@@ -791,13 +786,23 @@ void __init setup_bootmem_allocator(void)
max_pfn_mapped<<PAGE_SHIFT);
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+ for_each_online_node(nodeid) {
+ unsigned long start_pfn, end_pfn;
+
#ifdef CONFIG_NEED_MULTIPLE_NODES
- for_each_online_node(nodeid)
- bootmap = setup_node_bootmem(nodeid, node_start_pfn[nodeid],
- node_end_pfn[nodeid], bootmap);
+ start_pfn = node_start_pfn[nodeid];
+ end_pfn = node_end_pfn[nodeid];
+ if (start_pfn > max_low_pfn)
+ continue;
+ if (end_pfn > max_low_pfn)
+ end_pfn = max_low_pfn;
#else
- bootmap = setup_node_bootmem(0, 0, max_low_pfn, bootmap);
+ start_pfn = 0;
+ end_pfn = max_low_pfn;
#endif
+ bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
+ bootmap);
+ }
after_bootmem = 1;
}
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [tip:kmemcheck] x86: fix warning about nodeid
2009-03-05 20:04 ` [PATCH] x86: fix warning about nodeid Yinghai Lu
2009-03-06 15:27 ` [tip:x86/mm] " Yinghai Lu
@ 2009-03-08 18:54 ` Yinghai Lu
1 sibling, 0 replies; 3+ messages in thread
From: Yinghai Lu @ 2009-03-08 18:54 UTC (permalink / raw)
To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, yinghai, akpm, tglx, mingo
Commit-ID: e954ef20c29b7af07a8cb5452f14fb69e3d9d2b2
Gitweb: http://git.kernel.org/tip/e954ef20c29b7af07a8cb5452f14fb69e3d9d2b2
Author: "Yinghai Lu" <yinghai@kernel.org>
AuthorDate: Thu, 5 Mar 2009 12:04:57 -0800
Commit: Ingo Molnar <mingo@elte.hu>
CommitDate: Sun, 8 Mar 2009 19:34:17 +0100
x86: fix warning about nodeid
Impact: cleanup
Ingo found there warning about nodeid with some configs.
try to use for_each_online_node for non numa too. in that case
nodeid will be 0.
also move out boundary checking from setup_node_bootmem(), so
non-numa config will not check it.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <49B03069.80001@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/mm/init_32.c | 23 ++++++++++++++---------
1 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 2966c6b..db81e9a 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -806,11 +806,6 @@ static unsigned long __init setup_node_bootmem(int nodeid,
{
unsigned long bootmap_size;
- if (start_pfn > max_low_pfn)
- return bootmap;
- if (end_pfn > max_low_pfn)
- end_pfn = max_low_pfn;
-
/* don't touch min_low_pfn */
bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
bootmap >> PAGE_SHIFT,
@@ -843,13 +838,23 @@ void __init setup_bootmem_allocator(void)
max_pfn_mapped<<PAGE_SHIFT);
printk(KERN_INFO " low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
+ for_each_online_node(nodeid) {
+ unsigned long start_pfn, end_pfn;
+
#ifdef CONFIG_NEED_MULTIPLE_NODES
- for_each_online_node(nodeid)
- bootmap = setup_node_bootmem(nodeid, node_start_pfn[nodeid],
- node_end_pfn[nodeid], bootmap);
+ start_pfn = node_start_pfn[nodeid];
+ end_pfn = node_end_pfn[nodeid];
+ if (start_pfn > max_low_pfn)
+ continue;
+ if (end_pfn > max_low_pfn)
+ end_pfn = max_low_pfn;
#else
- bootmap = setup_node_bootmem(0, 0, max_low_pfn, bootmap);
+ start_pfn = 0;
+ end_pfn = max_low_pfn;
#endif
+ bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
+ bootmap);
+ }
after_bootmem = 1;
}
^ permalink raw reply related [flat|nested] 3+ messages in thread
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[not found] <20090305141424.GA9294@elte.hu>
2009-03-05 20:04 ` [PATCH] x86: fix warning about nodeid Yinghai Lu
2009-03-06 15:27 ` [tip:x86/mm] " Yinghai Lu
2009-03-08 18:54 ` [tip:kmemcheck] " Yinghai Lu
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