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9 Commits

Author SHA1 Message Date
Balazs Gerofi
f3d18eb9de fileobj/devobj: record path name (originally by Takagi-san) 2018-05-14 17:46:52 +09:00
Balazs Gerofi
9635a628a9 fileobj/shmobj/devobj: add file size to memobj 2016-12-19 12:55:12 +09:00
Balazs Gerofi
bce10e11e4 fileobj: rewrite for scalability using per-file page hash 2016-12-18 21:12:37 +09:00
NAKAMURA Gou
fdb86115a8 add pager requests for device mapping 
- PAGER_REQ_MAP
  map specified file, and create a private device pager.
- PAGER_REQ_UNMAP
  destroy specified private device pager, and unmap related mapping.
- PAGER_REQ_PFN
  report a physical address.
 2014-09-17 19:48:00 +09:00
NAKAMURA Gou
03521e9c2c add copyrights 2013-11-14 16:49:40 +09:00
NAKAMURA Gou
bbbc6e1570 add shared mapped file (in progress) 
implemented:
- Pages can be shared between maps.
- A change made to a map is written to the file, at munmap().

not yet implemented:
- VM operation during page IO execution.
  Because page IO is executed with VM's lock.
- Page IO, which does not change a file size with any case.
  When munmap() races with truncate(), the file size may be changed
  illegally.
 2013-11-11 18:18:33 +09:00
NAKAMURA Gou
27172ad413 support private mapped file 2013-10-15 12:30:41 +09:00
NAKAMURA Gou
78d9d3fcd2 Revert "trial implementation of private file mapping" 
This reverts commit abe57218c4.
 2013-07-26 16:44:39 +09:00
NAKAMURA Gou
abe57218c4 trial implementation of private file mapping 
for review only.  will soon be reverted.
 2013-07-26 14:40:12 +09:00