Re: 2.6 Series Mem Mgmt
Chris Bookholt wrote: I'm hoping someone can help explain part of the layout of a process' virtual address space in the 2.6 series kernel. Below is the output of "cat /proc/self/maps" on Fedora Core 3 (2.6.9-1.6_FC2) with exec-shield[-randomize] disabled and legacy_vm_layout enabled. What is being mapped in at last line (e000-f000 ---p)? This is always there, no matter what process I run. To my knowledge, this wasn't the case on 2.4. >$ cat /proc/self/maps 08048000-0804c000 r-xp 03:03 2490451/bin/cat 0804c000-0804d000 rw-p 3000 03:03 2490451/bin/cat 0804d000-0806e000 rw-p 0804d000 00:00 0 42344000-42359000 r-xp 03:03 950351 /lib/ld-2.3.3.so 42359000-4235a000 r--p 00014000 03:03 950351 /lib/ld-2.3.3.so 4235a000-4235b000 rw-p 00015000 03:03 950351 /lib/ld-2.3.3.so 4235d000-42473000 r-xp 03:03 950450 /lib/tls/libc-2.3.3.so 42473000-42474000 r--p 00116000 03:03 950450 /lib/tls/libc-2.3.3.so 42474000-42477000 rw-p 00117000 03:03 950450 /lib/tls/libc-2.3.3.so 42477000-42479000 rw-p 42477000 00:00 0 55017000-55018000 rw-p 55017000 00:00 0 55018000-55218000 r--p 03:03 114690 /usr/lib/locale/locale-archive feffe000-ff00 rw-p feffe000 00:00 0 e000-f000 ---p 00:00 0 I have not had much success in my search for information via Google & IRC and the books I have are specific to the 2.4 series. Any help would be greatly appreciated. That is the vsyscall page. -- Brian Gerst - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: 2.6 Series Mem Mgmt
Chris Bookholt wrote: I'm hoping someone can help explain part of the layout of a process' virtual address space in the 2.6 series kernel. Below is the output of cat /proc/self/maps on Fedora Core 3 (2.6.9-1.6_FC2) with exec-shield[-randomize] disabled and legacy_vm_layout enabled. What is being mapped in at last line (e000-f000 ---p)? This is always there, no matter what process I run. To my knowledge, this wasn't the case on 2.4. $ cat /proc/self/maps 08048000-0804c000 r-xp 03:03 2490451/bin/cat 0804c000-0804d000 rw-p 3000 03:03 2490451/bin/cat 0804d000-0806e000 rw-p 0804d000 00:00 0 42344000-42359000 r-xp 03:03 950351 /lib/ld-2.3.3.so 42359000-4235a000 r--p 00014000 03:03 950351 /lib/ld-2.3.3.so 4235a000-4235b000 rw-p 00015000 03:03 950351 /lib/ld-2.3.3.so 4235d000-42473000 r-xp 03:03 950450 /lib/tls/libc-2.3.3.so 42473000-42474000 r--p 00116000 03:03 950450 /lib/tls/libc-2.3.3.so 42474000-42477000 rw-p 00117000 03:03 950450 /lib/tls/libc-2.3.3.so 42477000-42479000 rw-p 42477000 00:00 0 55017000-55018000 rw-p 55017000 00:00 0 55018000-55218000 r--p 03:03 114690 /usr/lib/locale/locale-archive feffe000-ff00 rw-p feffe000 00:00 0 e000-f000 ---p 00:00 0 I have not had much success in my search for information via Google IRC and the books I have are specific to the 2.4 series. Any help would be greatly appreciated. That is the vsyscall page. -- Brian Gerst - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/