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Annotation of linux/mm/page.s, revision 1.1.1.2

1.1       root        1: /*
1.1.1.2 ! root        2:  *  linux/mm/page.s
        !             3:  *
        !             4:  *  (C) 1991  Linus Torvalds
        !             5:  */
        !             6: 
        !             7: /*
1.1       root        8:  * page.s contains the low-level page-exception code.
                      9:  * the real work is done in mm.c
                     10:  */
                     11: 
                     12: .globl _page_fault
                     13: 
                     14: _page_fault:
                     15:        xchgl %eax,(%esp)
                     16:        pushl %ecx
                     17:        pushl %edx
                     18:        push %ds
                     19:        push %es
                     20:        push %fs
                     21:        movl $0x10,%edx
                     22:        mov %dx,%ds
                     23:        mov %dx,%es
                     24:        mov %dx,%fs
                     25:        movl %cr2,%edx
                     26:        pushl %edx
                     27:        pushl %eax
                     28:        testl $1,%eax
                     29:        jne 1f
                     30:        call _do_no_page
                     31:        jmp 2f
                     32: 1:     call _do_wp_page
                     33: 2:     addl $8,%esp
                     34:        pop %fs
                     35:        pop %es
                     36:        pop %ds
                     37:        popl %edx
                     38:        popl %ecx
                     39:        popl %eax
                     40:        iret

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