mirror of https://github.com/schoebel/mars
116 lines
3.5 KiB
Diff
116 lines
3.5 KiB
Diff
From e92866fdb6c6276fa4c629346f8f92cf919f1540 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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Conflicts:
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include/linux/syscalls.h
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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/syscalls.h | 3 +++
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include/uapi/linux/major.h | 1 +
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mm/page_alloc.c | 3 +++
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5 files changed, 9 insertions(+), 1 deletion(-)
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diff --git a/fs/open.c b/fs/open.c
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index 9d64679..5d7c5bd 100644
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--- a/fs/open.c
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+++ b/fs/open.c
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@@ -1058,7 +1058,6 @@ SYSCALL_DEFINE1(close, unsigned int, fd)
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return retval;
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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 aa138d6..4a1f4a8 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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@@ -181,6 +182,7 @@ retry:
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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/syscalls.h b/include/linux/syscalls.h
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index a4a0588..8b852a4 100644
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--- a/include/linux/syscalls.h
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+++ b/include/linux/syscalls.h
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@@ -75,6 +75,7 @@ struct sigaltstack;
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#include <linux/sem.h>
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#include <asm/siginfo.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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@@ -176,6 +177,7 @@ extern struct trace_event_functions exit_syscall_print_funcs;
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#define SYSCALL_DEFINE0(sname) \
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SYSCALL_METADATA(_##sname, 0); \
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+ EXPORT_SYMBOL(sys_##sname); \
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asmlinkage long sys_##sname(void)
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#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
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@@ -202,6 +204,7 @@ extern struct trace_event_functions exit_syscall_print_funcs;
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__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
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return ret; \
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} \
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+ EXPORT_SYMBOL(sys##name); \
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static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
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asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
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diff --git a/include/uapi/linux/major.h b/include/uapi/linux/major.h
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index 620252e..61a665c 100644
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--- a/include/uapi/linux/major.h
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+++ b/include/uapi/linux/major.h
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@@ -148,6 +148,7 @@
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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/mm/page_alloc.c b/mm/page_alloc.c
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index 5dba293..7f2716e 100644
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--- a/mm/page_alloc.c
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+++ b/mm/page_alloc.c
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@@ -207,6 +207,8 @@ static char * const zone_names[MAX_NR_ZONES] = {
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int min_free_kbytes = 1024;
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int user_min_free_kbytes = -1;
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+EXPORT_SYMBOL(min_free_kbytes);
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+
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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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static unsigned long __meminitdata dma_reserve;
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@@ -5661,6 +5663,7 @@ 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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--
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1.9.3
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