Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8d63494f780a77f3edfe9b470d65b7f265ae8d5a
Commit: 8d63494f780a77f3edfe9b470d65b7f265ae8d5a
Parent: f32143a2fedfa299d790ca96bff9b1d2e2d6996b
Author: Randy Dunlap <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 23:31:29 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 08:43:07 2007 -0700
remap_file_pages: kernel-doc corrections
Fix kernel-doc for sys_remap_file_pages() and add info to the 'prot' NOTE.
Rename __prot parameter to prot.
Signed-off-by: Randy Dunlap <[EMAIL PROTECTED]>
Acked-by: Nick Piggin <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
mm/fremap.c | 24 +++++++++++++-----------
1 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/mm/fremap.c b/mm/fremap.c
index 37a93f8..14bd3bf 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -97,26 +97,28 @@ static int populate_range(struct mm_struct *mm, struct
vm_area_struct *vma,
}
-/***
- * sys_remap_file_pages - remap arbitrary pages of a shared backing store
- * file within an existing vma.
+/**
+ * sys_remap_file_pages - remap arbitrary pages of an existing VM_SHARED vma
* @start: start of the remapped virtual memory range
* @size: size of the remapped virtual memory range
- * @prot: new protection bits of the range
- * @pgoff: to be mapped page of the backing store file
+ * @prot: new protection bits of the range (see NOTE)
+ * @pgoff: to-be-mapped page of the backing store file
* @flags: 0 or MAP_NONBLOCKED - the later will cause no IO.
*
- * this syscall works purely via pagetables, so it's the most efficient
+ * sys_remap_file_pages remaps arbitrary pages of an existing VM_SHARED vma
+ * (shared backing store file).
+ *
+ * This syscall works purely via pagetables, so it's the most efficient
* way to map the same (large) file into a given virtual window. Unlike
* mmap()/mremap() it does not create any new vmas. The new mappings are
* also safe across swapout.
*
- * NOTE: the 'prot' parameter right now is ignored, and the vma's default
- * protection is used. Arbitrary protections might be implemented in the
- * future.
+ * NOTE: the 'prot' parameter right now is ignored (but must be zero),
+ * and the vma's default protection is used. Arbitrary protections
+ * might be implemented in the future.
*/
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
- unsigned long __prot, unsigned long pgoff, unsigned long flags)
+ unsigned long prot, unsigned long pgoff, unsigned long flags)
{
struct mm_struct *mm = current->mm;
struct address_space *mapping;
@@ -125,7 +127,7 @@ asmlinkage long sys_remap_file_pages(unsigned long start,
unsigned long size,
int err = -EINVAL;
int has_write_lock = 0;
- if (__prot)
+ if (prot)
return err;
/*
* Sanitize the syscall parameters:
-
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