From e7dcd9990e42ccfc798d4eb55e2dbf9d7d434c6b Mon Sep 17 00:00:00 2001 From: Cong Wang Date: Thu, 31 May 2012 16:26:17 -0700 Subject: [PATCH] proc: remove mm_for_maps() mm_for_maps() is a simple wrapper for mm_access(), and the name is misleading, so just remove it and use mm_access() directly. Signed-off-by: Cong Wang Cc: Oleg Nesterov Cc: Alexey Dobriyan Acked-by: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/proc/base.c | 7 +------ fs/proc/internal.h | 2 -- fs/proc/task_mmu.c | 4 ++-- fs/proc/task_nommu.c | 2 +- 4 files changed, 4 insertions(+), 11 deletions(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index e2d2342..cca635d 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -199,11 +199,6 @@ static int proc_root_link(struct dentry *dentry, struct path *path) return result; } -struct mm_struct *mm_for_maps(struct task_struct *task) -{ - return mm_access(task, PTRACE_MODE_READ); -} - static int proc_pid_cmdline(struct task_struct *task, char * buffer) { int res = 0; @@ -243,7 +238,7 @@ out: static int proc_pid_auxv(struct task_struct *task, char *buffer) { - struct mm_struct *mm = mm_for_maps(task); + struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ); int res = PTR_ERR(mm); if (mm && !IS_ERR(mm)) { unsigned int nwords = 0; diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 5f79bb8..a306437 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -31,8 +31,6 @@ struct vmalloc_info { unsigned long largest_chunk; }; -extern struct mm_struct *mm_for_maps(struct task_struct *); - #ifdef CONFIG_MMU #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) extern void get_vmalloc_info(struct vmalloc_info *vmi); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 7faaf2a..83ede6e 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -125,7 +125,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) if (!priv->task) return ERR_PTR(-ESRCH); - mm = mm_for_maps(priv->task); + mm = mm_access(priv->task, PTRACE_MODE_READ); if (!mm || IS_ERR(mm)) return mm; down_read(&mm->mmap_sem); @@ -919,7 +919,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, if (!pm.buffer) goto out_task; - mm = mm_for_maps(task); + mm = mm_access(task, PTRACE_MODE_READ); ret = PTR_ERR(mm); if (!mm || IS_ERR(mm)) goto out_free; diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c index 74fe164..1ccfa53 100644 --- a/fs/proc/task_nommu.c +++ b/fs/proc/task_nommu.c @@ -223,7 +223,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) if (!priv->task) return ERR_PTR(-ESRCH); - mm = mm_for_maps(priv->task); + mm = mm_access(priv->task, PTRACE_MODE_READ); if (!mm || IS_ERR(mm)) { put_task_struct(priv->task); priv->task = NULL; -- 2.7.4