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Subject[PATCH] [2.4.20] dead code: remove /proc/sys/vm/kswapd

/proc/sys/vm/kswapd does nothing to affect kswapd behavior in 2.4.20, this
patch will remove it.

diff -urN linux-2.4.20/arch/arm/mm/init.c linux-2.4.20-modified/arch/arm/mm/init.c
--- linux-2.4.20/arch/arm/mm/init.c Thu Oct 11 09:04:57 2001
+++ linux-2.4.20-modified/arch/arm/mm/init.c Thu Jan 23 15:59:23 2003
@@ -18,7 +18,6 @@
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/bootmem.h>
diff -urN linux-2.4.20/arch/mips/mm/init.c linux-2.4.20-modified/arch/mips/mm/init.c
--- linux-2.4.20/arch/mips/mm/init.c Thu Nov 28 15:53:10 2002
+++ linux-2.4.20-modified/arch/mips/mm/init.c Thu Jan 23 15:58:59 2003
@@ -24,7 +24,6 @@
#include <linux/bootmem.h>
#include <linux/highmem.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/blk.h>

#include <asm/bootinfo.h>
diff -urN linux-2.4.20/arch/mips64/mm/init.c linux-2.4.20-modified/arch/mips64/mm/init.c
--- linux-2.4.20/arch/mips64/mm/init.c Thu Nov 28 15:53:10 2002
+++ linux-2.4.20-modified/arch/mips64/mm/init.c Thu Jan 23 15:59:32 2003
@@ -21,7 +21,6 @@
#include <linux/bootmem.h>
#include <linux/highmem.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#ifdef CONFIG_BLK_DEV_INITRD
#include <linux/blk.h>
#endif
diff -urN linux-2.4.20/arch/sparc/mm/init.c linux-2.4.20-modified/arch/sparc/mm/init.c
--- linux-2.4.20/arch/sparc/mm/init.c Thu Nov 28 15:53:12 2002
+++ linux-2.4.20-modified/arch/sparc/mm/init.c Thu Jan 23 15:58:48 2003
@@ -18,7 +18,6 @@
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#ifdef CONFIG_BLK_DEV_INITRD
#include <linux/blk.h>
#endif
diff -urN linux-2.4.20/arch/sparc64/mm/init.c linux-2.4.20-modified/arch/sparc64/mm/init.c
--- linux-2.4.20/arch/sparc64/mm/init.c Thu Nov 28 15:53:12 2002
+++ linux-2.4.20-modified/arch/sparc64/mm/init.c Thu Jan 23 15:59:12 2003
@@ -15,7 +15,6 @@
#include <linux/slab.h>
#include <linux/blk.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/pagemap.h>
#include <linux/fs.h>
#include <linux/seq_file.h>
diff -urN linux-2.4.20/fs/buffer.c linux-2.4.20-modified/fs/buffer.c
--- linux-2.4.20/fs/buffer.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/fs/buffer.c Thu Jan 23 15:56:36 2003
@@ -35,7 +35,6 @@
#include <linux/locks.h>
#include <linux/errno.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/smp_lock.h>
#include <linux/vmalloc.h>
#include <linux/blkdev.h>
diff -urN linux-2.4.20/fs/coda/sysctl.c linux-2.4.20-modified/fs/coda/sysctl.c
--- linux-2.4.20/fs/coda/sysctl.c Fri Aug 2 17:39:45 2002
+++ linux-2.4.20-modified/fs/coda/sysctl.c Thu Jan 23 15:56:52 2003
@@ -15,7 +15,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/sysctl.h>
-#include <linux/swapctl.h>
#include <linux/proc_fs.h>
#include <linux/slab.h>
#include <linux/stat.h>
diff -urN linux-2.4.20/fs/inode.c linux-2.4.20-modified/fs/inode.c
--- linux-2.4.20/fs/inode.c Fri Aug 2 17:39:45 2002
+++ linux-2.4.20-modified/fs/inode.c Thu Jan 23 15:56:42 2003
@@ -14,7 +14,6 @@
#include <linux/slab.h>
#include <linux/cache.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/prefetch.h>
#include <linux/locks.h>

diff -urN linux-2.4.20/fs/intermezzo/sysctl.c linux-2.4.20-modified/fs/intermezzo/sysctl.c
--- linux-2.4.20/fs/intermezzo/sysctl.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/fs/intermezzo/sysctl.c Thu Jan 23 15:57:01 2003
@@ -27,7 +27,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/sysctl.h>
-#include <linux/swapctl.h>
#include <linux/proc_fs.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
diff -urN linux-2.4.20/include/linux/swapctl.h linux-2.4.20-modified/include/linux/swapctl.h
--- linux-2.4.20/include/linux/swapctl.h Mon Sep 17 16:15:02 2001
+++ linux-2.4.20-modified/include/linux/swapctl.h Wed Dec 31 16:00:00 1969
@@ -1,13 +0,0 @@
-#ifndef _LINUX_SWAPCTL_H
-#define _LINUX_SWAPCTL_H
-
-typedef struct pager_daemon_v1
-{
- unsigned int tries_base;
- unsigned int tries_min;
- unsigned int swap_cluster;
-} pager_daemon_v1;
-typedef pager_daemon_v1 pager_daemon_t;
-extern pager_daemon_t pager_daemon;
-
-#endif /* _LINUX_SWAPCTL_H */
diff -urN linux-2.4.20/include/linux/sysctl.h linux-2.4.20-modified/include/linux/sysctl.h
--- linux-2.4.20/include/linux/sysctl.h Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/include/linux/sysctl.h Thu Jan 23 15:53:21 2003
@@ -137,7 +137,6 @@
VM_OVERCOMMIT_MEMORY=5, /* Turn off the virtual memory safety limit */
VM_BUFFERMEM=6, /* struct: Set buffer memory thresholds */
VM_PAGECACHE=7, /* struct: Set cache memory thresholds */
- VM_PAGERDAEMON=8, /* struct: Control kswapd behaviour */
VM_PGT_CACHE=9, /* struct: Set page table cache parameters */
VM_PAGE_CLUSTER=10, /* int: set number of pages to swap together */
VM_MAX_MAP_COUNT=11, /* int: Maximum number of active map areas */
diff -urN linux-2.4.20/kernel/sysctl.c linux-2.4.20-modified/kernel/sysctl.c
--- linux-2.4.20/kernel/sysctl.c Fri Aug 2 17:39:46 2002
+++ linux-2.4.20-modified/kernel/sysctl.c Thu Jan 23 15:57:14 2003
@@ -21,7 +21,6 @@
#include <linux/config.h>
#include <linux/slab.h>
#include <linux/sysctl.h>
-#include <linux/swapctl.h>
#include <linux/proc_fs.h>
#include <linux/ctype.h>
#include <linux/utsname.h>
@@ -265,8 +264,6 @@
&bdflush_min, &bdflush_max},
{VM_OVERCOMMIT_MEMORY, "overcommit_memory", &sysctl_overcommit_memory,
sizeof(sysctl_overcommit_memory), 0644, NULL, &proc_dointvec},
- {VM_PAGERDAEMON, "kswapd",
- &pager_daemon, sizeof(pager_daemon_t), 0644, NULL, &proc_dointvec},
{VM_PGT_CACHE, "pagetable_cache",
&pgt_cache_water, 2*sizeof(int), 0644, NULL, &proc_dointvec},
{VM_PAGE_CLUSTER, "page-cluster",
diff -urN linux-2.4.20/mm/bootmem.c linux-2.4.20-modified/mm/bootmem.c
--- linux-2.4.20/mm/bootmem.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/bootmem.c Thu Jan 23 15:58:27 2003
@@ -12,7 +12,6 @@
#include <linux/mm.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/bootmem.h>
diff -urN linux-2.4.20/mm/filemap.c linux-2.4.20-modified/mm/filemap.c
--- linux-2.4.20/mm/filemap.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/filemap.c Thu Jan 23 15:58:21 2003
@@ -19,7 +19,6 @@
#include <linux/smp_lock.h>
#include <linux/blkdev.h>
#include <linux/file.h>
-#include <linux/swapctl.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/iobuf.h>
diff -urN linux-2.4.20/mm/memory.c linux-2.4.20-modified/mm/memory.c
--- linux-2.4.20/mm/memory.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/memory.c Thu Jan 23 15:58:14 2003
@@ -40,7 +40,6 @@
#include <linux/mman.h>
#include <linux/swap.h>
#include <linux/smp_lock.h>
-#include <linux/swapctl.h>
#include <linux/iobuf.h>
#include <linux/highmem.h>
#include <linux/pagemap.h>
diff -urN linux-2.4.20/mm/mmap.c linux-2.4.20-modified/mm/mmap.c
--- linux-2.4.20/mm/mmap.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/mmap.c Thu Jan 23 15:58:05 2003
@@ -8,7 +8,6 @@
#include <linux/mman.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/file.h>
diff -urN linux-2.4.20/mm/oom_kill.c linux-2.4.20-modified/mm/oom_kill.c
--- linux-2.4.20/mm/oom_kill.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/oom_kill.c Thu Jan 23 15:58:00 2003
@@ -18,7 +18,6 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/timex.h>

/* #define DEBUG */
diff -urN linux-2.4.20/mm/page_alloc.c linux-2.4.20-modified/mm/page_alloc.c
--- linux-2.4.20/mm/page_alloc.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/page_alloc.c Thu Jan 23 15:57:54 2003
@@ -15,7 +15,6 @@
#include <linux/config.h>
#include <linux/mm.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/interrupt.h>
#include <linux/pagemap.h>
#include <linux/bootmem.h>
diff -urN linux-2.4.20/mm/page_io.c linux-2.4.20-modified/mm/page_io.c
--- linux-2.4.20/mm/page_io.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/page_io.c Thu Jan 23 15:57:47 2003
@@ -14,7 +14,6 @@
#include <linux/kernel_stat.h>
#include <linux/swap.h>
#include <linux/locks.h>
-#include <linux/swapctl.h>

#include <asm/pgtable.h>

diff -urN linux-2.4.20/mm/swap.c linux-2.4.20-modified/mm/swap.c
--- linux-2.4.20/mm/swap.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/swap.c Thu Jan 23 15:57:40 2003
@@ -16,7 +16,6 @@
#include <linux/mm.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/pagemap.h>
#include <linux/init.h>

@@ -26,12 +25,6 @@

/* How many pages do we try to swap or page in/out together? */
int page_cluster;
-
-pager_daemon_t pager_daemon = {
- 512, /* base number for calculating the number of tries */
- SWAP_CLUSTER_MAX, /* minimum number of tries */
- 8, /* do swap I/O in clusters of this size */
-};

/*
* Move an inactive page to the active list.
diff -urN linux-2.4.20/mm/swap_state.c linux-2.4.20-modified/mm/swap_state.c
--- linux-2.4.20/mm/swap_state.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/swap_state.c Thu Jan 23 15:57:32 2003
@@ -10,7 +10,6 @@
#include <linux/mm.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/init.h>
#include <linux/pagemap.h>
#include <linux/smp_lock.h>
diff -urN linux-2.4.20/mm/swapfile.c linux-2.4.20-modified/mm/swapfile.c
--- linux-2.4.20/mm/swapfile.c Fri Aug 2 17:39:46 2002
+++ linux-2.4.20-modified/mm/swapfile.c Thu Jan 23 15:58:32 2003
@@ -9,7 +9,6 @@
#include <linux/smp_lock.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/blkdev.h> /* for blk_size */
#include <linux/vmalloc.h>
#include <linux/pagemap.h>
diff -urN linux-2.4.20/mm/vmscan.c linux-2.4.20-modified/mm/vmscan.c
--- linux-2.4.20/mm/vmscan.c Thu Nov 28 15:53:15 2002
+++ linux-2.4.20-modified/mm/vmscan.c Thu Jan 23 15:57:23 2003
@@ -17,7 +17,6 @@
#include <linux/slab.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
-#include <linux/swapctl.h>
#include <linux/smp_lock.h>
#include <linux/pagemap.h>
#include <linux/init.h>
-
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