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slub: Fix a documentation build error for krealloc()

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The kerneldoc comment for krealloc() contains an unmarked literal block,
leading to these warnings in the docs build:

  ./mm/slub.c:4936: WARNING: Block quote ends without a blank line; unexpected unindent. [docutils]
  ./mm/slub.c:4936: ERROR: Undefined substitution referenced: "--------". [docutils]

Mark up and indent the block properly to bring a bit of peace to our build
logs.

Fixes: 489a744e5f (mm: krealloc: clarify valid usage of __GFP_ZERO)
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20250611155916.2579160-6-willy@infradead.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Jonathan Corbet 2025-06-11 16:59:08 +01:00 committed by Vlastimil Babka
parent 3df29914d9
commit e8a45f198e
1 changed files with 5 additions and 5 deletions
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10
mm/slub.c
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@ -4966,12 +4966,12 @@ alloc_new:
* When slub_debug_orig_size() is off, krealloc() only knows about the bucket
* size of an allocation (but not the exact size it was allocated with) and
* hence implements the following semantics for shrinking and growing buffers
* with __GFP_ZERO.
* with __GFP_ZERO::
*
* new bucket
* 0 size size
* |--------|----------------|
* | keep | zero |
* new bucket
* 0 size size
* |--------|----------------|
* | keep | zero |
*
* Otherwise, the original allocation size 'orig_size' could be used to
* precisely clear the requested size, and the new size will also be stored