autofs4: correct offset mount expire check

[linux-2.6-omap-h63xx.git] / Documentation / kbuild / modules.txt

diff --git a/Documentation/kbuild/modules.txt b/Documentation/kbuild/modules.txt
index 769ee05ee4d1f6da279386c2325ff5f80e322570..1821c077b435cd64eac847dc1ec69d5386dc6ad6 100644 (file)
--- a/Documentation/kbuild/modules.txt
+++ b/Documentation/kbuild/modules.txt
@@ -249,7 +249,7 @@ following files:
                --> filename: Makefile
                KERNELDIR := /lib/modules/`uname -r`/build
                all::
                --> filename: Makefile
                KERNELDIR := /lib/modules/`uname -r`/build
                all::

-                       $(MAKE) -C $KERNELDIR M=`pwd` $@
+                       $(MAKE) -C $(KERNELDIR) M=`pwd` $@

 
                # Module specific targets
                genbin:
 
                # Module specific targets
                genbin:


@@ -486,7 +486,7 @@ Module.symvers contains a list of all exported symbols from a kernel build.
        Sometimes, an external module uses exported symbols from another
        external module. Kbuild needs to have full knowledge on all symbols
        to avoid spitting out warnings about undefined symbols.
        Sometimes, an external module uses exported symbols from another
        external module. Kbuild needs to have full knowledge on all symbols
        to avoid spitting out warnings about undefined symbols.

-       Two solutions exist to let kbuild know all symbols of more than
+       Three solutions exist to let kbuild know all symbols of more than

        one external module.
        The method with a top-level kbuild file is recommended but may be
        impractical in certain situations.
        one external module.
        The method with a top-level kbuild file is recommended but may be
        impractical in certain situations.


@@ -523,6 +523,13 @@ Module.symvers contains a list of all exported symbols from a kernel build.
                containing the sum of all symbols defined and not part of the
                kernel.
 
                containing the sum of all symbols defined and not part of the
                kernel.
 

+       Use make variable KBUILD_EXTRA_SYMBOLS in the Makefile
+               If it is impractical to copy Module.symvers from another
+               module, you can assign a space separated list of files to
+               KBUILD_EXTRA_SYMBOLS in your Makfile. These files will be
+               loaded by modpost during the initialisation of its symbol
+               tables.
+

 === 8. Tips & Tricks
 
 --- 8.1 Testing for CONFIG_FOO_BAR
 === 8. Tips & Tricks
 
 --- 8.1 Testing for CONFIG_FOO_BAR