ALSA: Merge memalloc code into snd-pcm module

Instead of keeping a separate snd-page-alloc module, merge into the
core snd-pcm module, as we don't need to keep it as an individual
module due to the drop of page reservation.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/core/Makefile

@@ -10,14 +10,12 @@ snd-$(CONFIG_SND_VMASTER) += vmaster.o
 snd-$(CONFIG_SND_KCTL_JACK) += ctljack.o
 snd-$(CONFIG_SND_JACK)	  += jack.o
 
-snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
-		pcm_memory.o
+snd-pcm-y := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
+		pcm_memory.o memalloc.o
+snd-pcm-$(CONFIG_SND_DMA_SGBUF) += sgbuf.o
 
 snd-pcm-dmaengine-objs := pcm_dmaengine.o
 
-snd-page-alloc-y := memalloc.o
-snd-page-alloc-$(CONFIG_SND_DMA_SGBUF) += sgbuf.o
-
 snd-rawmidi-objs  := rawmidi.o
 snd-timer-objs    := timer.o
 snd-hrtimer-objs  := hrtimer.o
@@ -31,7 +29,7 @@ obj-$(CONFIG_SND_HWDEP)		+= snd-hwdep.o
 obj-$(CONFIG_SND_TIMER)		+= snd-timer.o
 obj-$(CONFIG_SND_HRTIMER)	+= snd-hrtimer.o
 obj-$(CONFIG_SND_RTCTIMER)	+= snd-rtctimer.o
-obj-$(CONFIG_SND_PCM)		+= snd-pcm.o snd-page-alloc.o
+obj-$(CONFIG_SND_PCM)		+= snd-pcm.o
 obj-$(CONFIG_SND_DMAENGINE_PCM)	+= snd-pcm-dmaengine.o
 obj-$(CONFIG_SND_RAWMIDI)	+= snd-rawmidi.o
 

sound/core/memalloc.c

@@ -21,22 +21,12 @@
  *
  */
 
-#include <linux/module.h>
-#include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
-#include <asm/uaccess.h>
 #include <linux/dma-mapping.h>
 #include <linux/genalloc.h>
-#include <linux/moduleparam.h>
 #include <sound/memalloc.h>
 
-
-MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>, Jaroslav Kysela <perex@perex.cz>");
-MODULE_DESCRIPTION("Memory allocator for ALSA system.");
-MODULE_LICENSE("GPL");
-
-
 /*
  *
  *  Generic memory allocators