Commit 30d3f011 authored by Michal Hocko's avatar Michal Hocko Committed by Linus Torvalds

mm/vmalloc: be more explicit about supported gfp flags.

Commit b7d90e7a ("mm/vmalloc: be more explicit about supported gfp
flags") has been merged prematurely without the rest of the series and
without addressed review feedback from Neil.  Fix that up now.  Only
wording is changed slightly.

Link: https://lkml.kernel.org/r/20211122153233.9924-4-mhocko@kernel.orgSigned-off-by: default avatarMichal Hocko <mhocko@suse.com>
Reviewed-by: default avatarUladzislau Rezki (Sony) <urezki@gmail.com>
Acked-by: default avatarVlastimil Babka <vbabka@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9376130c
...@@ -3031,12 +3031,14 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, ...@@ -3031,12 +3031,14 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
* *
* Allocate enough pages to cover @size from the page level * Allocate enough pages to cover @size from the page level
* allocator with @gfp_mask flags. Please note that the full set of gfp * allocator with @gfp_mask flags. Please note that the full set of gfp
* flags are not supported. GFP_KERNEL would be a preferred allocation mode * flags are not supported. GFP_KERNEL, GFP_NOFS and GFP_NOIO are all
* but GFP_NOFS and GFP_NOIO are supported as well. Zone modifiers are not * supported.
* supported. From the reclaim modifiers__GFP_DIRECT_RECLAIM is required (aka * Zone modifiers are not supported. From the reclaim modifiers
* GFP_NOWAIT is not supported) and only __GFP_NOFAIL is supported (aka * __GFP_DIRECT_RECLAIM is required (aka GFP_NOWAIT is not supported)
* __GFP_NORETRY and __GFP_RETRY_MAYFAIL are not supported). * and only __GFP_NOFAIL is supported (i.e. __GFP_NORETRY and
* __GFP_NOWARN can be used to suppress error messages about failures. * __GFP_RETRY_MAYFAIL are not supported).
*
* __GFP_NOWARN can be used to suppress failures messages.
* *
* Map them into contiguous kernel virtual space, using a pagetable * Map them into contiguous kernel virtual space, using a pagetable
* protection of @prot. * protection of @prot.
......
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