--- a/include/linux/mm.h

+++ b/include/linux/mm.h

@@ -1510,7 +1510,7 @@ void task_dirty_inc(struct task_struct *

/* readahead.c */

#define VM_MAX_READAHEAD 2048 /* kbytes */

-#define VM_MIN_READAHEAD 64 /* kbytes (includes current page) */

+#define VM_MIN_READAHEAD 128 /* kbytes (includes current page) */

extern unsigned long max_readahead_pages;

--- a/kernel/Makefile

+++ b/kernel/Makefile

@@ -108,14 +108,14 @@ obj-$(CONFIG_USER_RETURN_NOTIFIER) += us

obj-$(CONFIG_PADATA) += padata.o

obj-$(CONFIG_CRASH_DUMP) += crash_dump.o

-ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)

+# ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)

# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is

# needed for x86 only. Why this used to be enabled for all architectures is beyond

# me. I suspect most platforms don't need this, but until we know that for sure

# I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k

# to get a correct value for the wait-channel (WCHAN in ps). --davidm

-CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer

-endif

+# CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer

+# endif

$(obj)/configs.o: $(obj)/config_data.h

--- a/kernel/sched_fair.c

+++ b/kernel/sched_fair.c

@@ -1633,6 +1633,8 @@ static int select_idle_sibling(struct ta

struct sched_domain *sd;

int i;

+ goto done;

+

/*

* If the task is going to be woken-up on this cpu and if it is

* already idle, then it is the right target.

@@ -1671,7 +1673,7 @@ static int select_idle_sibling(struct ta

break;

}

rcu_read_unlock();

-

+done:

return target;

}