Messages in this thread | | | Date | Fri, 25 Aug 2006 22:04:55 +0200 | From | Sam Ravnborg <> | Subject | Re: [PATCH 04/18] [PATCH] BLOCK: Separate the bounce buffering code from the highmem code [try #4] |
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On Fri, Aug 25, 2006 at 08:37:07PM +0100, David Howells wrote: > From: David Howells <dhowells@redhat.com> > > Move the bounce buffer code from mm/highmem.c to mm/bounce.c so that it can be > more easily disabled when the block layer is disabled. > > !!!NOTE!!! There may be a bug in this code: Should init_emergency_pool() be > contingent on CONFIG_HIGHMEM? > > Signed-Off-By: David Howells <dhowells@redhat.com> > --- > > mm/Makefile | 4 + > mm/bounce.c | 302 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > mm/highmem.c | 281 ------------------------------------------------------ > 3 files changed, 305 insertions(+), 282 deletions(-) > > diff --git a/mm/Makefile b/mm/Makefile > index 9dd824c..63637f0 100644 > --- a/mm/Makefile > +++ b/mm/Makefile > @@ -12,6 +12,9 @@ obj-y := bootmem.o filemap.o mempool.o > readahead.o swap.o truncate.o vmscan.o \ > prio_tree.o util.o mmzone.o vmstat.o $(mmu-y) > > +ifeq ($(CONFIG_MMU),y) > +obj-y += bounce.o > +endif
CONFIG_MMU is a bool so you can do this much more elegant: obj-$(CONFIG_MMU) += bounce.o
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