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    Subject[PATCH 08/12] kernel: Remove unnecessary inclusions of asm/semaphore.h
    Date
    None of these files use any of the functionality promised by
    asm/semaphore.h.

    Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
    ---
    kernel/kexec.c | 1 -
    kernel/kthread.c | 1 -
    kernel/module.c | 3 +--
    kernel/posix-timers.c | 1 -
    kernel/profile.c | 1 -
    kernel/stop_machine.c | 1 -
    6 files changed, 1 insertions(+), 7 deletions(-)

    diff --git a/kernel/kexec.c b/kernel/kexec.c
    index 06a0e27..6782dce 100644
    --- a/kernel/kexec.c
    +++ b/kernel/kexec.c
    @@ -29,7 +29,6 @@
    #include <asm/uaccess.h>
    #include <asm/io.h>
    #include <asm/system.h>
    -#include <asm/semaphore.h>
    #include <asm/sections.h>

    /* Per cpu memory for storing cpu states in case of system crash. */
    diff --git a/kernel/kthread.c b/kernel/kthread.c
    index 0ac8878..92dd1bc 100644
    --- a/kernel/kthread.c
    +++ b/kernel/kthread.c
    @@ -13,7 +13,6 @@
    #include <linux/file.h>
    #include <linux/module.h>
    #include <linux/mutex.h>
    -#include <asm/semaphore.h>

    #define KTHREAD_NICE_LEVEL (-5)

    diff --git a/kernel/module.c b/kernel/module.c
    index 901cd6a..88092f7 100644
    --- a/kernel/module.c
    +++ b/kernel/module.c
    @@ -43,7 +43,6 @@
    #include <linux/mutex.h>
    #include <linux/unwind.h>
    #include <asm/uaccess.h>
    -#include <asm/semaphore.h>
    #include <asm/cacheflush.h>
    #include <linux/license.h>
    #include <asm/sections.h>
    @@ -664,7 +663,7 @@ static void free_module(struct module *mod);

    static void wait_for_zero_refcount(struct module *mod)
    {
    - /* Since we might sleep for some time, drop the semaphore first */
    + /* Since we might sleep for some time, release the mutex first */
    mutex_unlock(&module_mutex);
    for (;;) {
    DEBUGP("Looking at refcount...\n");
    diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
    index a9b0420..8476956 100644
    --- a/kernel/posix-timers.c
    +++ b/kernel/posix-timers.c
    @@ -37,7 +37,6 @@
    #include <linux/mutex.h>

    #include <asm/uaccess.h>
    -#include <asm/semaphore.h>
    #include <linux/list.h>
    #include <linux/init.h>
    #include <linux/compiler.h>
    diff --git a/kernel/profile.c b/kernel/profile.c
    index 3b7a1b0..606d738 100644
    --- a/kernel/profile.c
    +++ b/kernel/profile.c
    @@ -23,7 +23,6 @@
    #include <linux/highmem.h>
    #include <linux/mutex.h>
    #include <asm/sections.h>
    -#include <asm/semaphore.h>
    #include <asm/irq_regs.h>
    #include <asm/ptrace.h>

    diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
    index 6f4e0e1..3da3c2c 100644
    --- a/kernel/stop_machine.c
    +++ b/kernel/stop_machine.c
    @@ -11,7 +11,6 @@
    #include <linux/interrupt.h>

    #include <asm/atomic.h>
    -#include <asm/semaphore.h>
    #include <asm/uaccess.h>

    /* Since we effect priority and affinity (both of which are visible
    --
    1.5.4.1


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