u are trying to ask for a physically continuous 2^5 * 4K or 128KB
memory, it is pretty hard to find high order memory when u memory usage
is like that.
try to load u module earlier or ask for low order memory.
ming
On Tue, 2006-04-18 at 03:34 +0530, Abu M. Muttalib wrote:
> Hi,
>
> I am running linux kernel 2.6 on an embedded system.
> In my application I
> have executed the following command
> system ("cat /proc/meminfo")
> I see the following
>
> MemTotal: 13864 kB
> MemFree: 664 kB
> Buffers: 1588 kB
> Cached: 5452 kB
> SwapCached: 0 kB
> Active: 5280 kB
> Inactive: 3720 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 13864 kB
> LowFree: 664 kB
> SwapTotal: 0 kB
> SwapFree: 0 kB
> Dirty: 0 kB
> Writeback: 0 kB
> Mapped: 4664 kB
> Slab: 1596 kB
> CommitLimit: 6932 kB
> Committed_AS: 22300 kB
> PageTables: 172 kB
> VmallocTotal: 630784 kB
> VmallocUsed: 262576 kB
> VmallocChunk: 366588 kB
>
> Then subsequently I am inserting one module i get the
> "page allocation failure"
>
> and I get the following error message tho' kernel...
>
> ***************************************************************
>
> insmod: page allocation failure. order:5, mode:0xd0
> Mem-info:
> DMA per-cpu:
> cpu 0 hot: low 2, high 6, batch 1 used:5
> cpu 0 cold: low 0, high 2, batch 1 used:1
> Normal per-cpu: empty
> HighMem per-cpu: empty
> Free pages: 1216kB (0kB HighMem)
> Active:1494 inactive:674 dirty:0 writeback:0
> unstable:0 free:304 slab:401
> mapped:1259 pagetables:46
> DMA free:1216kB min:512kB low:640kB high:768kB
> active:5976kB inactive:2696kB
> present:16384kB pages_scanned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0
> Normal free:0kB min:0kB low:0kB high:0kB active:0kB
> inactive:0kB present:0kB
> pages_scanned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0
> HighMem free:0kB min:128kB low:160kB high:192kB
> active:0kB inactive:0kB
> present:0kB pages_scanned:0 all_unreclaimable? no
> lowmem_reserve[]: 0 0 0
> DMA: 18*4kB 51*8kB 28*16kB 1*32kB 2*64kB 1*128kB
> 0*256kB 0*512kB 0*1024kB =
> 1216kB
> Normal: empty
> HighMem: empty
> Swap cache: add 0, delete 0, find 0/0, race 0+0
> Free swap = 0kB
> Total swap = 0kB
> Free swap: 0kB
> 4096 pages of RAM
> 382 free pages
> 701 reserved pages
> 401 slab pages
> 1570 pages shared
> 0 pages swap cached
>
> ***************************************************************
>
> Now I again run the command
> system ("cat /proc/meminfo")
> and now I see the following:
>
> MemTotal: 13864 kB
> MemFree: 1524 kB
> Buffers: 1244 kB
> Cached: 5224 kB
> SwapCached: 0 kB
> Active: 5776 kB
> Inactive: 2672 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 13864 kB
> LowFree: 1524 kB
> SwapTotal: 0 kB
> SwapFree: 0 kB
> Dirty: 0 kB
> Writeback: 0 kB
> Mapped: 4676 kB
> Slab: 1604 kB
> CommitLimit: 6932 kB
> Committed_AS: 22168 kB
> PageTables: 172 kB
> VmallocTotal: 630784 kB
> VmallocUsed: 262560 kB
> VmallocChunk: 366588 kB
>
> Is there any clue? I have some 650 KB free before
> inserting the module and
> after that some 1.5 MB free memory space, and still I
> am not able to insert
> the module.
>
> Why it's so? Any help will be highly appreciated.
>
> ~Abu.
>
>
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