[Linux-kernel-commits] [7973] trunk/arch/blackfin/configs: Bug [#5454], the behavior of nommu mmap () excess space trimming is useful for the boards that have small memory, but causes extra fragmentation after executed many programs, so default disable it

[gyang]

Title: [7973] trunk/arch/blackfin/configs: Bug [#5454], the behavior of nommu mmap() excess space trimming is useful for the boards that have small memory, but causes extra fragmentation after executed many programs, so default disable it

Revision

7973

Author

gyang

Date

2009-12-11 01:28:24 -0500 (Fri, 11 Dec 2009)

Log Message

Bug [#5454], the behavior of nommu mmap() excess space trimming is useful for the boards that have small memory, but causes extra fragmentation after executed many programs, so default disable it

Modified Paths

trunk/arch/blackfin/configs/BF518F-EZBRD_defconfig
trunk/arch/blackfin/configs/BF526-EZBRD_defconfig
trunk/arch/blackfin/configs/BF527-EZKIT-V2_defconfig
trunk/arch/blackfin/configs/BF527-EZKIT_defconfig
trunk/arch/blackfin/configs/BF533-EZKIT_defconfig
trunk/arch/blackfin/configs/BF533-STAMP_defconfig
trunk/arch/blackfin/configs/BF537-STAMP_defconfig
trunk/arch/blackfin/configs/BF538-EZKIT_defconfig
trunk/arch/blackfin/configs/BF548-EZKIT_defconfig
trunk/arch/blackfin/configs/BF561-ACVILON_defconfig
trunk/arch/blackfin/configs/BF561-EZKIT_defconfig
trunk/arch/blackfin/configs/BlackStamp_defconfig
trunk/arch/blackfin/configs/CM-BF527_defconfig
trunk/arch/blackfin/configs/CM-BF533_defconfig
trunk/arch/blackfin/configs/CM-BF537E_defconfig
trunk/arch/blackfin/configs/CM-BF537U_defconfig
trunk/arch/blackfin/configs/CM-BF548_defconfig
trunk/arch/blackfin/configs/CM-BF561_defconfig
trunk/arch/blackfin/configs/H8606_defconfig
trunk/arch/blackfin/configs/IP0X_defconfig
trunk/arch/blackfin/configs/PNAV-10_defconfig
trunk/arch/blackfin/configs/SRV1_defconfig
trunk/arch/blackfin/configs/TCM-BF537_defconfig

Diff

Modified: trunk/arch/blackfin/configs/BF518F-EZBRD_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF518F-EZBRD_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF518F-EZBRD_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -317,6 +317,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF526-EZBRD_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF526-EZBRD_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF526-EZBRD_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -322,6 +322,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF527-EZKIT-V2_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF527-EZKIT-V2_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF527-EZKIT-V2_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -352,7 +352,7 @@
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF527-EZKIT_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF527-EZKIT_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF527-EZKIT_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -322,6 +322,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF533-EZKIT_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF533-EZKIT_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF533-EZKIT_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -284,6 +284,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF533-STAMP_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF533-STAMP_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF533-STAMP_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -284,6 +284,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF537-STAMP_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF537-STAMP_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF537-STAMP_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -291,6 +291,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF538-EZKIT_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF538-EZKIT_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF538-EZKIT_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -302,6 +302,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF548-EZKIT_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF548-EZKIT_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF548-EZKIT_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -388,7 +388,7 @@
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 CONFIG_DMA_UNCACHED_2M=y

Modified: trunk/arch/blackfin/configs/BF561-ACVILON_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF561-ACVILON_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF561-ACVILON_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -350,7 +350,7 @@
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 CONFIG_DMA_UNCACHED_4M=y
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BF561-EZKIT_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BF561-EZKIT_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BF561-EZKIT_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -354,7 +354,7 @@
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/BlackStamp_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/BlackStamp_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/BlackStamp_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -276,6 +276,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF527_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF527_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF527_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -340,7 +340,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF533_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF533_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF533_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -300,7 +300,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF537E_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF537E_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF537E_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -309,7 +309,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF537U_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF537U_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF537U_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -309,7 +309,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF548_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF548_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF548_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -367,7 +367,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/CM-BF561_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/CM-BF561_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/CM-BF561_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -339,7 +339,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/H8606_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/H8606_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/H8606_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -250,6 +250,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_LARGE_ALLOCS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y

Modified: trunk/arch/blackfin/configs/IP0X_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/IP0X_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/IP0X_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -262,6 +262,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_LARGE_ALLOCS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y

Modified: trunk/arch/blackfin/configs/PNAV-10_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/PNAV-10_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/PNAV-10_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -286,6 +286,7 @@
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

Modified: trunk/arch/blackfin/configs/SRV1_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/SRV1_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/SRV1_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -272,6 +272,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_LARGE_ALLOCS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_DMA_UNCACHED_2M=y
 # CONFIG_DMA_UNCACHED_1M is not set
 # CONFIG_DMA_UNCACHED_NONE is not set

Modified: trunk/arch/blackfin/configs/TCM-BF537_defconfig (7972 => 7973)

--- trunk/arch/blackfin/configs/TCM-BF537_defconfig	2009-12-11 04:15:27 UTC (rev 7972)
+++ trunk/arch/blackfin/configs/TCM-BF537_defconfig	2009-12-11 06:28:24 UTC (rev 7973)
@@ -308,7 +308,7 @@
 CONFIG_VIRT_TO_BUS=y
 CONFIG_UNEVICTABLE_LRU=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 # CONFIG_BFIN_GPTIMERS is not set
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set

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