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| author | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2014-10-27 18:04:22 -0700 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 11:02:01 -0700 |
| commit | a627c73479155f8f0328d7bb1d0b8c9e17b7aa88 (patch) | |
| tree | b6278e85f09ebc05c2bfb96a5482ab6952463129 /include/uapi/linux | |
| parent | 014929f975fab25e65776cd2b162e667644ba044 (diff) | |
block/fs: make tracking dirty task debug only
Adding a new element "tsk_dirty" to struct page increases the size
of mem_map/vmemmap, restrict this to a debug only functionality to
save few MB of memory.
Considering a system with 1G of RAM, there will be nearly 262144
pages and thus that many number of page structures in mem_map/vmemmap.
With pointer size of 8 bytes on a 64 bit system, adding this
pointer to "struct page" means an increase of "2MB" for mem_map.
CRs-Fixed: 738692
Change-Id: Idf3217dcbe17cf1ab4d462d2aa8d39da1ffd8b13
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
[venkatg@codeaurora.org: Fixed trivial merge conflict]
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Diffstat (limited to 'include/uapi/linux')
0 files changed, 0 insertions, 0 deletions