* [uml-devel] [PATCH 20/20] UML - defconfig tweaks
@ 2008-01-17 21:40 ` Jeff Dike
0 siblings, 0 replies; 2+ messages in thread
From: Jeff Dike @ 2008-01-17 21:40 UTC (permalink / raw)
To: Andrew Morton; +Cc: LKML, uml-devel
Tweak the UML defconfig -
we probably don't need 256 old-style ptys - this slows down udev
noticably
enable hostfs
disable slab debugging - another noticable performance hit
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
---
arch/um/defconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6.22/arch/um/defconfig
===================================================================
--- linux-2.6.22.orig/arch/um/defconfig 2008-01-17 14:39:06.000000000 -0500
+++ linux-2.6.22/arch/um/defconfig 2008-01-17 14:40:07.000000000 -0500
@@ -75,7 +75,7 @@ CONFIG_LD_SCRIPT_DYN=y
CONFIG_NET=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
-# CONFIG_HOSTFS is not set
+CONFIG_HOSTFS=y
# CONFIG_HPPFS is not set
CONFIG_MCONSOLE=y
CONFIG_MAGIC_SYSRQ=y
@@ -185,7 +185,7 @@ CONFIG_CON_CHAN="xterm"
CONFIG_SSL_CHAN="pts"
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LEGACY_PTY_COUNT=32
# CONFIG_WATCHDOG is not set
CONFIG_UML_SOUND=m
CONFIG_SOUND=m
@@ -505,7 +505,7 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_SCHEDSTATS is not set
-CONFIG_DEBUG_SLAB=y
+# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_SLAB_LEAK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK is not set
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^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 20/20] UML - defconfig tweaks
@ 2008-01-17 21:40 ` Jeff Dike
0 siblings, 0 replies; 2+ messages in thread
From: Jeff Dike @ 2008-01-17 21:40 UTC (permalink / raw)
To: Andrew Morton; +Cc: uml-devel, LKML
Tweak the UML defconfig -
we probably don't need 256 old-style ptys - this slows down udev
noticably
enable hostfs
disable slab debugging - another noticable performance hit
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
---
arch/um/defconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: linux-2.6.22/arch/um/defconfig
===================================================================
--- linux-2.6.22.orig/arch/um/defconfig 2008-01-17 14:39:06.000000000 -0500
+++ linux-2.6.22/arch/um/defconfig 2008-01-17 14:40:07.000000000 -0500
@@ -75,7 +75,7 @@ CONFIG_LD_SCRIPT_DYN=y
CONFIG_NET=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=m
-# CONFIG_HOSTFS is not set
+CONFIG_HOSTFS=y
# CONFIG_HPPFS is not set
CONFIG_MCONSOLE=y
CONFIG_MAGIC_SYSRQ=y
@@ -185,7 +185,7 @@ CONFIG_CON_CHAN="xterm"
CONFIG_SSL_CHAN="pts"
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LEGACY_PTY_COUNT=32
# CONFIG_WATCHDOG is not set
CONFIG_UML_SOUND=m
CONFIG_SOUND=m
@@ -505,7 +505,7 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=14
CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_SCHEDSTATS is not set
-CONFIG_DEBUG_SLAB=y
+# CONFIG_DEBUG_SLAB is not set
# CONFIG_DEBUG_SLAB_LEAK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK is not set
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2008-01-17 21:42 UTC | newest]
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2008-01-17 21:40 [uml-devel] [PATCH 20/20] UML - defconfig tweaks Jeff Dike
2008-01-17 21:40 ` Jeff Dike
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