mm: vmalloc: refactor vm_area_alloc_pages() function

The aim is to simplify and making the vm_area_alloc_pages()
function less confusing as it became more clogged nowadays:

- eliminate a "bulk_gfp" variable and do not overwrite a gfp
  flag for bulk allocator;
- drop __GFP_NOFAIL flag for high-order-page requests on upper
  layer. It becomes less spread between levels when it comes to
  __GFP_NOFAIL allocations;
- add a comment about a fallback path if high-order attempt is
  unsuccessful because for such cases __GFP_NOFAIL is dropped;
- fix a typo in a commit message.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Uladzislau Rezki (Sony) <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: Baoquan He <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Oleksiy Avramchenko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions