mm: revert "page-writeback.c: subtract min_free_kbytes from dirtyable memory"
[linux/fpc-iii.git] / arch / x86 / kernel / vsyscall_emu_64.S
blobc9596a9af15985c7f668bd18fc3f8547a8bcec31
1 /*
2  * vsyscall_emu_64.S: Vsyscall emulation page
3  *
4  * Copyright (c) 2011 Andy Lutomirski
5  *
6  * Subject to the GNU General Public License, version 2
7  */
9 #include <linux/linkage.h>
11 #include <asm/irq_vectors.h>
12 #include <asm/page_types.h>
13 #include <asm/unistd_64.h>
15 __PAGE_ALIGNED_DATA
16         .globl __vsyscall_page
17         .balign PAGE_SIZE, 0xcc
18         .type __vsyscall_page, @object
19 __vsyscall_page:
21         mov $__NR_gettimeofday, %rax
22         syscall
23         ret
25         .balign 1024, 0xcc
26         mov $__NR_time, %rax
27         syscall
28         ret
30         .balign 1024, 0xcc
31         mov $__NR_getcpu, %rax
32         syscall
33         ret
35         .balign 4096, 0xcc
37         .size __vsyscall_page, 4096