Michal Piotrowski wrote:
Hi,
I want to create a large ramdisk - 1GB
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=1
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
kernel comman line: ramdisk_size=1000000
..
With ramdisk_size=500000 everything is ok.
machine
CPU P4 (ia32)
2 GB RAM
Is this is a hardware (arch) or software limitation? Maybe a bug?
Regards,
Michal
I'm not sure if there's an inherent max ramdisk size limit, however I
should point out that in most cases, using a tmpfs or ramfs file system
is better than old-style ramdisks. Those filesystems return unused
memory to the kernel (ramdisks statically allocate the entire space) and
also avoid the filesystem overhead of ramdisks (the files are mapped
into pagecache directly).
--
Robert Hancock Saskatoon, SK, Canada
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