Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

docs/core-api: mm-api: add section about GFP flags

Browse source 
Link: http://lkml.kernel.org/r/1532626360-16650-8-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2018-08-23 17:01:19 -07:00 committed by Linus Torvalds
parent 263fade51f
commit 038a07a542
1 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
Documentation/core-api/mm-api.rst
View file

@ -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
==============