__vmalloc() function now supports non-blocking flags such as GFP_ATOMIC and GFP_NOWAIT. Update the documentation accordingly. Signed-off-by: Uladzislau Rezki (Sony) --- mm/vmalloc.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 2d4e22dd04f7..e56d576b46c8 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -3880,19 +3880,20 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, * @caller: caller's return address * * Allocate enough pages to cover @size from the page level - * allocator with @gfp_mask flags. Please note that the full set of gfp - * flags are not supported. GFP_KERNEL, GFP_NOFS and GFP_NOIO are all - * supported. - * Zone modifiers are not supported. From the reclaim modifiers - * __GFP_DIRECT_RECLAIM is required (aka GFP_NOWAIT is not supported) - * and only __GFP_NOFAIL is supported (i.e. __GFP_NORETRY and - * __GFP_RETRY_MAYFAIL are not supported). + * allocator with @gfp_mask flags and map them into contiguous + * virtual range with protection @prot. * - * __GFP_NOWARN can be used to suppress failures messages. + * Supported GFP classes: %GFP_KERNEL, %GFP_ATOMIC, %GFP_NOWAIT, + * %GFP_NOFS and %GFP_NOIO. Zone modifiers are not supported. + * Please note %GFP_ATOMIC and %GFP_NOWAIT are supported only + * by __vmalloc(). + + * Retry modifiers: only %__GFP_NOFAIL is supported; %__GFP_NORETRY + * and %__GFP_RETRY_MAYFAIL are not supported. * - * Map them into contiguous kernel virtual space, using a pagetable - * protection of @prot. + * %__GFP_NOWARN can be used to suppress failure messages. * + * Can not be called from interrupt nor NMI contexts. * Return: the address of the area or %NULL on failure */ void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align, -- 2.47.3