[PATCH v3 7/7] docs/core-api: mm-api: add section about GFP flags
From: Mike Rapoport <hidden>
Date: 2018-07-26 17:33:15
Also in:
linux-mm, lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Signed-off-by: Mike Rapoport <redacted> --- Documentation/core-api/mm-api.rst | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/Documentation/core-api/mm-api.rst b/Documentation/core-api/mm-api.rst
index b5913aa..46ae353 100644
--- a/Documentation/core-api/mm-api.rst
+++ b/Documentation/core-api/mm-api.rst@@ -14,6 +14,27 @@ User Space Memory Access .. kernel-doc:: mm/util.c :functions: get_user_pages_fast +Memory Allocation Controls +========================== + +Functions which need to allocate memory often use GFP flags to express +how that memory should be allocated. The GFP acronym stands for "get +free pages", the underlying memory allocation function. Not every GFP +flag is allowed to every function which may allocate memory. Most +users will want to use a plain ``GFP_KERNEL``. + +.. kernel-doc:: include/linux/gfp.h + :doc: Page mobility and placement hints + +.. kernel-doc:: include/linux/gfp.h + :doc: Watermark modifiers + +.. kernel-doc:: include/linux/gfp.h + :doc: Reclaim modifiers + +.. kernel-doc:: include/linux/gfp.h + :doc: Common combinations + The Slab Cache ==============
--
2.7.4
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