[PATCH 4/5] exec: unexport acct_arg_size() and get_arg_page()

[Oleg Nesterov]

Unexport acct_arg_size() and get_arg_page(), fs/compat.c doesn't
need them any longer.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---

 include/linux/binfmts.h |    4 ----
 fs/exec.c               |    8 ++++----
 2 files changed, 4 insertions(+), 8 deletions(-)

--- 38/include/linux/binfmts.h~4_unexport_arg_helpers	2011-02-25 18:01:57.000000000 +0100
+++ 38/include/linux/binfmts.h	2011-02-25 18:05:27.000000000 +0100
@@ -60,10 +60,6 @@ struct linux_binprm {
 	unsigned long loader, exec;
 };
 
-extern void acct_arg_size(struct linux_binprm *bprm, unsigned long pages);
-extern struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
-					int write);
-
 #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0
 #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT)
 
--- 38/fs/exec.c~4_unexport_arg_helpers	2011-02-25 18:05:17.000000000 +0100
+++ 38/fs/exec.c	2011-02-25 18:05:27.000000000 +0100
@@ -165,7 +165,7 @@ out:
 
 #ifdef CONFIG_MMU
 
-void acct_arg_size(struct linux_binprm *bprm, unsigned long pages)
+static void acct_arg_size(struct linux_binprm *bprm, unsigned long pages)
 {
 	struct mm_struct *mm = current->mm;
 	long diff = (long)(pages - bprm->vma_pages);
@@ -184,7 +184,7 @@ void acct_arg_size(struct linux_binprm *
 #endif
 }
 
-struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
 		int write)
 {
 	struct page *page;
@@ -303,11 +303,11 @@ static bool valid_arg_len(struct linux_b
 
 #else
 
-void acct_arg_size(struct linux_binprm *bprm, unsigned long pages)
+static inline void acct_arg_size(struct linux_binprm *bprm, unsigned long pages)
 {
 }
 
-struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
 		int write)
 {
 	struct page *page;

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