mirror of
https://github.com/schoebel/mars
synced 2024-12-12 18:01:21 +00:00
125 lines
3.8 KiB
Diff
125 lines
3.8 KiB
Diff
From a0772be796233af9a8d541b319b438208b87bcc3 Mon Sep 17 00:00:00 2001
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From: Thomas Schoebel-Theuer <schoebel@bell.site>
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Date: Wed, 26 Jun 2013 14:45:07 +0200
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Subject: [PATCH] mars: generic pre-patch for mars
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Mostly introduces missing EXPORT_SYMBOL().
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Should have exactly zero impact onto the kernel.
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This is the generic version which exports all sys_*() system
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calls. This should not introduce any additional maintenance pain
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because that interfaces has to be stable anyway due to POSIX etc.
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---
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fs/open.c | 1 -
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fs/utimes.c | 2 ++
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include/linux/major.h | 1 +
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include/linux/syscalls.h | 4 ++++
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mm/page_alloc.c | 2 ++
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mm/swap_state.c | 1 +
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6 files changed, 10 insertions(+), 1 deletion(-)
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diff --git a/fs/open.c b/fs/open.c
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index e1f2cdb..72a5f24 100644
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--- a/fs/open.c
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+++ b/fs/open.c
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@@ -1069,7 +1069,6 @@ out_unlock:
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spin_unlock(&files->file_lock);
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return -EBADF;
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}
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-EXPORT_SYMBOL(sys_close);
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/*
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* This routine simulates a hangup on the tty, to arrange that users
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diff --git a/fs/utimes.c b/fs/utimes.c
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index fa4dbe4..d750e6d 100644
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--- a/fs/utimes.c
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+++ b/fs/utimes.c
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@@ -1,3 +1,4 @@
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+#include <linux/module.h>
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#include <linux/compiler.h>
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#include <linux/file.h>
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#include <linux/fs.h>
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@@ -171,6 +172,7 @@ long do_utimes(int dfd, const char __user *filename, struct timespec *times,
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out:
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return error;
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}
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+EXPORT_SYMBOL(do_utimes);
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SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
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struct timespec __user *, utimes, int, flags)
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diff --git a/include/linux/major.h b/include/linux/major.h
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index 6a8ca98..faf6692 100644
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--- a/include/linux/major.h
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+++ b/include/linux/major.h
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@@ -146,6 +146,7 @@
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#define UNIX98_PTY_SLAVE_MAJOR (UNIX98_PTY_MASTER_MAJOR+UNIX98_PTY_MAJOR_COUNT)
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#define DRBD_MAJOR 147
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+#define MARS_MAJOR 148
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#define RTF_MAJOR 150
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#define RAW_MAJOR 162
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diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
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index 19439c7..9fb5044 100644
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--- a/include/linux/syscalls.h
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+++ b/include/linux/syscalls.h
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@@ -73,6 +73,7 @@ struct file_handle;
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#include <asm/siginfo.h>
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#include <asm/signal.h>
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#include <linux/unistd.h>
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+#include <linux/export.h>
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#include <linux/quota.h>
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#include <linux/key.h>
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#include <trace/syscall.h>
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@@ -241,12 +242,15 @@ extern struct trace_event_functions exit_syscall_print_funcs;
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return (long) SYSC##name(__SC_CAST##x(__VA_ARGS__)); \
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} \
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SYSCALL_ALIAS(sys##name, SyS##name); \
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+ EXPORT_SYMBOL(sys##name); \
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static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__))
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#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */
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#define SYSCALL_DEFINE(name) asmlinkage long sys_##name
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#define __SYSCALL_DEFINEx(x, name, ...) \
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+ asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__)); \
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+ EXPORT_SYMBOL(sys##name); \
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asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__))
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#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */
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diff --git a/mm/page_alloc.c b/mm/page_alloc.c
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index d2d8f54..152b57e 100644
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -192,6 +192,7 @@ static char * const zone_names[MAX_NR_ZONES] = {
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};
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int min_free_kbytes = 1024;
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+EXPORT_SYMBOL(min_free_kbytes);
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static unsigned long __meminitdata nr_kernel_pages;
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static unsigned long __meminitdata nr_all_pages;
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@@ -5135,6 +5136,7 @@ static void __setup_per_zone_wmarks(void)
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/* update totalreserve_pages */
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calculate_totalreserve_pages();
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}
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+EXPORT_SYMBOL(setup_per_zone_wmarks);
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/**
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* setup_per_zone_wmarks - called when min_free_kbytes changes
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diff --git a/mm/swap_state.c b/mm/swap_state.c
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index 0cb36fb..e4d5a82 100644
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--- a/mm/swap_state.c
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+++ b/mm/swap_state.c
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@@ -43,6 +43,7 @@ struct address_space swapper_space = {
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.i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear),
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.backing_dev_info = &swap_backing_dev_info,
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};
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+EXPORT_SYMBOL(swapper_space);
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#define INC_CACHE_INFO(x) do { swap_cache_info.x++; } while (0)
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--
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1.9.3
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