tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: [PATCH] Re: zero-filed page on VOP_PUTPAGES

YAMAMOTO Takashi <> wrote:

> ioflush (syncer) is not a kernel thread responsible for freeing memory.
> pagedaemon is.
> i don't think syncer alone can deadlock with puffs.

Indeed it does not: there is at least a third thread involved. In a
typical case, ioflush sleeps awaiting for perfused/glusterfsd to finish
fsync, and perfused/glusterfsd is stuck in the kernel awaiting memory

Emmanuel Dreyfus

Home | Main Index | Thread Index | Old Index