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author | Pavel Tatashin <pasha.tatashin@soleen.com> | 2021-05-04 18:39:15 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-05-05 11:27:26 -0700 |
commit | 24dc20c75f937b8f5c432e38275e70a1611766e9 (patch) | |
tree | 2d14b303c88c0fc8a32a146f4558c95960708fb9 /mm/gup.c | |
parent | fa965fd54827a6b6967602051736da9c163b79b7 (diff) | |
download | linux-24dc20c75f937b8f5c432e38275e70a1611766e9.tar.gz |
mm/gup: change index type to long as it counts pages
In __get_user_pages_locked() i counts number of pages which should be long, as long is used in all other places to contain number of pages, and 32-bit becomes increasingly small for handling page count proportional values. Link: https://lkml.kernel.org/r/20210215161349.246722-12-pasha.tatashin@soleen.com Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: James Morris <jmorris@namei.org> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Michal Hocko <mhocko@kernel.org> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sashal@kernel.org> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Tyler Hicks <tyhicks@linux.microsoft.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
-rw-r--r-- | mm/gup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/gup.c b/mm/gup.c index 4bc57420f535..91629b5b0636 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1528,7 +1528,7 @@ static long __get_user_pages_locked(struct mm_struct *mm, unsigned long start, { struct vm_area_struct *vma; unsigned long vm_flags; - int i; + long i; /* calculate required read or write permissions. * If FOLL_FORCE is set, we only require the "MAY" flags. |