XO: Live and /tmp

Nifty Fedora Mitch niftyfedora at niftyegg.com
Fri Oct 17 21:39:58 UTC 2008


With the  F10-Snap1-i686-Live image I see
that /tmp is tmpfs which has negative impact on
RAM.   

Does it make sense to add a modest swap space partition
to the flash SD card and build the image to test
for and use it?

In the  common LiveCD case there will be four to ten times
as much RAM as the XO has so using RAM for virtual /tmp
seems problematic to me.

Also I see:

WARNING: at arch/x86/mm/pageattr.c:782 change_page_attr_set_clr+0x5e/0x198() (Not tainted)
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.27-1.fc10.i686 #1
 [<c06d8fc3>] ? printk+0x14/0x19
 [<c042d224>] warn_on_slowpath+0x4c/0x7a
 [<c04059cb>] ? mcount_call+0x5/0xa
 [<c04bcd8a>] ? inotify_dentry_parent_queue_event+0xe/0x88
 [<c04059cb>] ? mcount_call+0x5/0xa
 [<c047657d>] ? __free_one_page+0x17f/0x1c4
 [<c041c9c1>] change_page_attr_set_clr+0x5e/0x198
 [<c046cc28>] ? ftrace_record_ip+0x1ac/0x1c5
 [<c046cc28>] ? ftrace_record_ip+0x1ac/0x1c5
 [<c041cbae>] set_memory_rw+0x16/0x18
 [<c041b7d5>] free_init_pages+0x26/0x96
 [<c041b85b>] free_initrd_mem+0x16/0x18
 [<c08507c0>] free_initrd+0x8a/0xa4
 [<c085085a>] populate_rootfs+0x80/0xd2
 [<c040112a>] _stext+0x42/0x11a
 [<c08507da>] ? populate_rootfs+0x0/0xd2
 [<c040112a>] _stext+0x42/0x11a
 [<c08507da>] ? populate_rootfs+0x0/0xd2
 [<c0467b45>] ? register_irq_proc+0x97/0xb3
 [<c04059cb>] ? mcount_call+0x5/0xa
 [<c0467abc>] ? register_irq_proc+0xe/0xb3
 [<c0467ba3>] ? init_irq_proc+0x42/0x4f
 [<c084b3a8>] kernel_init+0x17c/0x1ca
 [<c084b22c>] ? kernel_init+0x0/0x1ca
 [<c04059b3>] kernel_thread_helper+0x7/0x10
 =======================
---[ end trace a7919e7f17c0a725 ]---




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	T o m  M i t c h e l l 
	Found me a new hat, now what?




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