summaryrefslogtreecommitdiffstats
path: root/mm/Kconfig
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2013-03-18 10:57:32 +0100
committerJiri Kosina <jkosina@suse.cz>2013-03-18 10:57:57 +0100
commitaa1262b3876ec5249ff464618a7dcd46b3ca54e2 (patch)
treeb150bb2c83c073e1f0e298ba7899148f7d991ef7 /mm/Kconfig
parent806b2139db236e0cbd0b5833ab0ce139f0196bcd (diff)
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadop-kernel-dev-aa1262b3876ec5249ff464618a7dcd46b3ca54e2.zip
op-kernel-dev-aa1262b3876ec5249ff464618a7dcd46b3ca54e2.tar.gz
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to the newly added ITG-3200 driver.
Diffstat (limited to 'mm/Kconfig')
-rw-r--r--mm/Kconfig27
1 files changed, 24 insertions, 3 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 278e3ab..ae55c1e 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1,6 +1,6 @@
config SELECT_MEMORY_MODEL
def_bool y
- depends on EXPERIMENTAL || ARCH_SELECT_MEMORY_MODEL
+ depends on ARCH_SELECT_MEMORY_MODEL
choice
prompt "Memory model"
@@ -162,10 +162,16 @@ config MOVABLE_NODE
Say Y here if you want to hotplug a whole node.
Say N here if you want kernel to use memory on all nodes evenly.
+#
+# Only be set on architectures that have completely implemented memory hotplug
+# feature. If you are not sure, don't touch it.
+#
+config HAVE_BOOTMEM_INFO_NODE
+ def_bool n
+
# eventually, we can have this option just 'select SPARSEMEM'
config MEMORY_HOTPLUG
bool "Allow for memory hot-add"
- select MEMORY_ISOLATION
depends on SPARSEMEM || X86_64_ACPI_NUMA
depends on HOTPLUG && ARCH_ENABLE_MEMORY_HOTPLUG
depends on (IA64 || X86 || PPC_BOOK3S_64 || SUPERH || S390)
@@ -176,6 +182,8 @@ config MEMORY_HOTPLUG_SPARSE
config MEMORY_HOTREMOVE
bool "Allow for memory hot remove"
+ select MEMORY_ISOLATION
+ select HAVE_BOOTMEM_INFO_NODE if X86_64
depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE
depends on MIGRATION
@@ -258,6 +266,19 @@ config BOUNCE
def_bool y
depends on BLOCK && MMU && (ZONE_DMA || HIGHMEM)
+# On the 'tile' arch, USB OHCI needs the bounce pool since tilegx will often
+# have more than 4GB of memory, but we don't currently use the IOTLB to present
+# a 32-bit address to OHCI. So we need to use a bounce pool instead.
+#
+# We also use the bounce pool to provide stable page writes for jbd. jbd
+# initiates buffer writeback without locking the page or setting PG_writeback,
+# and fixing that behavior (a second time; jbd2 doesn't have this problem) is
+# a major rework effort. Instead, use the bounce buffer to snapshot pages
+# (until jbd goes away). The only jbd user is ext3.
+config NEED_BOUNCE_POOL
+ bool
+ default y if (TILE && USB_OHCI_HCD) || (BLK_DEV_INTEGRITY && JBD)
+
config NR_QUICK
int
depends on QUICKLIST
@@ -266,7 +287,7 @@ config NR_QUICK
config VIRT_TO_BUS
def_bool y
- depends on !ARCH_NO_VIRT_TO_BUS
+ depends on HAVE_VIRT_TO_BUS
config MMU_NOTIFIER
bool
OpenPOWER on IntegriCloud