lkml.org 
[lkml]   [2005]   [May]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[RFC/PATCH 4/4] madvice/fadvice: execute in place (3rd version)
From
Date
[RFC/PATCH 4/4] madvice/fadvice: execute in place (3rd version)

Make sys_madvice/fadvice return sane with xip. Patch is unchanged from
previous version.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
---
diff -ruN linux-git/mm/fadvise.c linux-git-xip/mm/fadvise.c
--- linux-git/mm/fadvise.c 2005-05-23 13:51:17.000000000 +0200
+++ linux-git-xip/mm/fadvise.c 2005-05-23 17:55:49.000000000 +0200
@@ -43,6 +43,10 @@
goto out;
}

+ if (mapping->a_ops->get_xip_page)
+ /* no bad return value, but ignore advice */
+ goto out;
+
/* Careful about overflows. Len == 0 means "as much as possible" */
endbyte = offset + len;
if (!len || endbyte < len)
diff -ruN linux-git/mm/madvise.c linux-git-xip/mm/madvise.c
--- linux-git/mm/madvise.c 2005-05-23 13:51:17.000000000 +0200
+++ linux-git-xip/mm/madvise.c 2005-05-23 17:55:49.000000000 +0200
@@ -65,6 +65,10 @@
if (!file)
return -EBADF;

+ if (file->f_mapping->a_ops->get_xip_page)
+ /* no bad return value, but ignore advice */
+ return 0;
+
start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
if (end > vma->vm_end)
end = vma->vm_end;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-05-23 20:00    [W:0.027 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site