mm: A few memory tracker fixes
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- v1 Latest4 patches 10 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | mm: Make freshly remapped file pages being softdirty unconditionallymm/ | +2 | 0 replies | |
| 2/4 | mm: Dont forget to set softdirty on file mapped faultmm/ | +1 | 4 replies | |
| 3/4 | mm: Dont forget to save file map softdiry bit on unmapmm/ | +1 | 0 replies | |
| 4/4 | mm: Clear VM_SOFTDIRTY flag inside clear_refs_write instead of clear_soft_dirtyfs/ | +4 | 6 replies |
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Cover letter [patch 0/4] mm: A few memory tracker fixes
Hi! Here is a few fixes for memory softdirty tracker inspired by LKML thread https://lkml.org/lkml/2014/3/18/709 . It turned out that indeed I've missed to setup softdirty bit on file mappings in a few places. But it seems the only intensive user of this feature is the criu tool where we dump/restore shared memory areas completely regardless the softdirty bit status and shared file mapped areas are not dumped at all so I'm not sure if the patches are stable material. Please take a look, thanks.
Cyrill
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