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Author SHA1 Message Date
Uladzislau Rezki (Sony) fabc27f764 mm: vmalloc: add free_vmap_area_noflush trace event 
This event is used in order to validate/debug a start address of freed VA,
number of currently outstanding and maximum allowed areas.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Uladzislau Rezki (Sony) <[email protected]>
Reviewed-by: Steven Rostedt (Google) <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Oleksiy Avramchenko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2022-11-08 17:37:17 -08:00
Uladzislau Rezki (Sony) b3a5a7b099 mm: vmalloc: add purge_vmap_area_lazy trace event 
It is for debug purposes to track number of freed vmap areas including a
range it occurs on.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Uladzislau Rezki (Sony) <[email protected]>
Reviewed-by: Steven Rostedt (Google) <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Oleksiy Avramchenko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2022-11-08 17:37:17 -08:00
Uladzislau Rezki (Sony) 3c0c9bc9c9 mm: vmalloc: add alloc_vmap_area trace event 
Patch series "Add basic trace events for vmap/vmalloc (v2)", v2.

This small series add some basic trace events for the vmap/vmalloc code. 
Since currently we lack any, sometimes it is hard to start debuging vmap
code if an issue is reported or occured.

For example https://lore.kernel.org/linux-mm/Y0p8BZIiDXLQbde%2F@pc636/T/

The final patch adds two reviewers for vmalloc code.


This patch (of 7):

It is for debug purposes and for validation of passed parameters.

Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Uladzislau Rezki (Sony) <[email protected]>
Reviewed-by: Steven Rostedt (Google) <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Oleksiy Avramchenko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2022-11-08 17:37:17 -08:00