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Author SHA1 Message Date
Matthew Wilcox (Oracle) a30951d09c test suite: use %zu to print size_t 
On 32-bit, we can't use %lu to print a size_t variable and gcc warns us
about it.  Shame it doesn't warn about it on 64-bit.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: cc86e0c2f3 ("radix tree test suite: add support for slab bulk APIs")
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Liam R. Howlett <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2025-04-11 17:32:35 -07:00
Shuah Khan 8801c35c36 tools: fix -Wunused-result in linux.c 
Fix the following -Wunused-result warnings on posix_memalign()
return values and add error handling.

./shared/linux.c:100:25: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result]
  100 |          posix_memalign(&p, cachep->align, cachep->size);
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../shared/linux.c: In function `kmem_cache_alloc_bulk':
../shared/linux.c:198:33: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result]
  198 |          posix_memalign(&p[i], cachep->align,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  199 |                                cachep->size);
      |                                ~~~~~~~~~~~~~

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Shuah Khan <[email protected]>
Reviewed-by: Lorenzo Stoakes <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Sidhartha Kumar <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-11-05 17:12:32 -08:00
Sidhartha Kumar 617f8e4d76 maple_tree: add test to replicate low memory race conditions 
Add new callback fields to the userspace implementation of struct
kmem_cache.  This allows for executing callback functions in order to
further test low memory scenarios where node allocation is retried.

This callback can help test race conditions by calling a function when a
low memory event is tested.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Sidhartha Kumar <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-09-01 20:26:11 -07:00
Lorenzo Stoakes 74579d8dab tools: separate out shared radix-tree components 
The core components contained within the radix-tree tests which provide
shims for kernel headers and access to the maple tree are useful for
testing other things, so separate them out and make the radix tree tests
dependent on the shared components.

This lays the groundwork for us to add VMA tests of the newly introduced
vma.c file.

Link: https://lkml.kernel.org/r/1ee720c265808168e0d75608e687607d77c36719.1722251717.git.lorenzo.stoakes@oracle.com
Signed-off-by: Lorenzo Stoakes <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Reviewed-by: Liam R. Howlett <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Brendan Higgins <[email protected]>
Cc: Christian Brauner <[email protected]>
Cc: David Gow <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Rae Moar <[email protected]>
Cc: SeongJae Park <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Pengfei Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
 2024-09-01 20:25:55 -07:00