While copying a large number of large files to one of my XFS partitions I got two of these messages from the kernel: pagebuf: out of preallocated buffer heads, sleeping. Is this anything to be concer
Congratulations, you appear to be the world's first user of the pre-allocated buffer head pool in pagebuf! :) when pagebuf initializes, it sets aside a handful of buffer heads to use in "emergency" s
BTW, in your 2.5 tree please drop such private pre-allocations and use the mempool_* interface. bio/bio_vec allocations and highmem are already using them :-) -- Jens Axboe