commit 3c54bb74e9a98e332ae20757f62d0aeb3c2267c9
Author: Matthew Dillon <[email protected]>
Date: Wed Jun 26 17:34:58 2013 -0700
tmpfs - Handle low memory situations a little better
* When memory starts to get low start bdwrite()ing buffers on file
write instead of buwrite()ing them to force the data to start staging
through the buffer cache.
* Rename some generic defines BSIZE / BMASK -< TMPFS_BLKSIZE / TMPFS_BLKMASK
* Set b_act_count to 0 and B_RELBUF in the pageout case to force the
underlying VM pages to recycle to the inactive queue after the I/O is
complete.
Summary of changes:
sys/vfs/tmpfs/tmpfs.h | 5 +++--
sys/vfs/tmpfs/tmpfs_subr.c | 7 ++++---
sys/vfs/tmpfs/tmpfs_vnops.c | 44 ++++++++++++++++++++++++++++++++++----------
3 files changed, 41 insertions(+), 15 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/3c54bb74e9a98e332ae20757f62d0aeb3c2267c9
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