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authorChristoph Lameter2007-07-17 04:03:37 -0700
committerLinus Torvalds2007-07-17 10:23:02 -0700
commit2a7326b5bbafac4c96bcdb944b2a773593030b96 (patch)
tree25bc49eadea73cf2133198963d1baf3f5def7316 /mm/Makefile
parent831441862956fffa17b9801db37e6ea1650b0f69 (diff)
CONFIG_BOUNCE to avoid useless inclusion of bounce buffer logic
The bounce buffer logic is included on systems that do not need it. If a system does not have zones like ZONE_DMA and ZONE_HIGHMEM that can lead to the use of bounce buffers then there is no need to reserve memory pools etc etc. This is true f.e. for SGI Altix. Also nicifies the Makefile and gets rid of the tricky "and" there. Signed-off-by: Christoph Lameter <clameter@sgi.com> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/Makefile')
-rw-r--r--mm/Makefile4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/Makefile b/mm/Makefile
index a9148ea329aa..245e33ab00c4 100644
--- a/mm/Makefile
+++ b/mm/Makefile
@@ -13,9 +13,7 @@ obj-y := bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \
prio_tree.o util.o mmzone.o vmstat.o backing-dev.o \
$(mmu-y)
-ifeq ($(CONFIG_MMU)$(CONFIG_BLOCK),yy)
-obj-y += bounce.o
-endif
+obj-$(CONFIG_BOUNCE) += bounce.o
obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
obj-$(CONFIG_HUGETLBFS) += hugetlb.o
obj-$(CONFIG_NUMA) += mempolicy.o