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SubjectRe: [PATCH] Make modules work in Linus' tree on ARM
On Thu, Aug 14, 2003 at 05:32:49PM +0100, Russell King wrote:
> I was thinking afterwards about a patch to allow /proc/kcore to be
> entirely disabled and dropped out of the kernel - we already select
> between a.out and ELF.

Ok, it's been a while, but here's the patch which does this - it only
drops /proc/kcore out of the kernel for ARM.

diff -u orig/fs/Kconfig linux/fs/Kconfig
--- orig/fs/Kconfig Tue Sep 9 23:08:10 2003
+++ linux/fs/Kconfig Sat Aug 23 10:12:27 2003
@@ -761,6 +761,10 @@
This option will enlarge your kernel by about 67 KB. Several
programs depend on this, so everyone should say Y here.

+config PROC_KCORE
+ bool
+ default y if !ARM
+
config DEVFS_FS
bool "/dev file system support (EXPERIMENTAL)"
depends on EXPERIMENTAL
diff -u orig/fs/proc/Makefile linux/fs/proc/Makefile
--- orig/fs/proc/Makefile Thu Sep 4 23:58:31 2003
+++ linux/fs/proc/Makefile Thu Aug 14 18:27:31 2003
@@ -8,6 +8,7 @@
proc-$(CONFIG_MMU) := task_mmu.o

proc-y += inode.o root.o base.o generic.o array.o \
- kmsg.o proc_tty.o proc_misc.o kcore.o
+ kmsg.o proc_tty.o proc_misc.o

-proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
+proc-$(CONFIG_PROC_KCORE) += kcore.o
+proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
diff -u orig/fs/proc/proc_misc.c linux/fs/proc/proc_misc.c
--- orig/fs/proc/proc_misc.c Tue Sep 9 23:08:11 2003
+++ linux/fs/proc/proc_misc.c Mon Sep 8 22:52:18 2003
@@ -685,12 +685,14 @@
#ifdef CONFIG_MODULES
create_seq_entry("modules", 0, &proc_modules_operations);
#endif
+#ifdef CONFIG_PROC_KCORE
proc_root_kcore = create_proc_entry("kcore", S_IRUSR, NULL);
if (proc_root_kcore) {
proc_root_kcore->proc_fops = &proc_kcore_operations;
proc_root_kcore->size =
(size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
}
+#endif
if (prof_on) {
entry = create_proc_entry("profile", S_IWUSR | S_IRUGO, NULL);
if (entry) {

--
Russell King (rmk@arm.linux.org.uk) http://www.arm.linux.org.uk/personal/
Linux kernel maintainer of:
2.6 ARM Linux - http://www.arm.linux.org.uk/
2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
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