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authorDon Mullis <don.mullis@gmail.com>2010-03-05 13:43:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 11:26:35 -0800
commita069c266ae5fdfbf5b4aecf2c672413aa33b2504 (patch)
tree2f9731d8475fc5b2d942cac004904db8e49d5428 /lib
parent02b12b7a28faa2e9ed5a361cd08ea576ab1f1509 (diff)
lib: build list_sort() only if needed
Build list_sort() only for configs that need it -- those that don't save ~581 bytes (i386). Signed-off-by: Don Mullis <don.mullis@gmail.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig3
-rw-r--r--lib/Makefile3
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 97b136ff117..8034c46327c 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -160,6 +160,9 @@ config TEXTSEARCH_BM
config TEXTSEARCH_FSM
tristate
+config LIST_SORT
+ boolean
+
config HAS_IOMEM
boolean
depends on !NO_IOMEM
diff --git a/lib/Makefile b/lib/Makefile
index 3b0b4a696db..e39c361b0be 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -21,7 +21,7 @@ lib-y += kobject.o kref.o klist.o
obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
- string_helpers.o gcd.o list_sort.o
+ string_helpers.o gcd.o
ifeq ($(CONFIG_DEBUG_KOBJECT),y)
CFLAGS_kobject.o += -DDEBUG
@@ -40,6 +40,7 @@ lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o
lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
+obj-$(CONFIG_LIST_SORT) += list_sort.o
obj-$(CONFIG_LOCK_KERNEL) += kernel_lock.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_DEBUG_LIST) += list_debug.o