The concern is that pages is allocated with kvcalloc, but freed later
using kfree.

julia

---------- Forwarded message ----------
Date: Sat, 10 Dec 2022 22:02:56 +0800
From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Julia Lawall <julia.lawall@lip6.fr>
Subject: [ammarfaizi2-block:akpm/mm/mm-stable 29/237] mm/gup_test.c:257:13-14:
    WARNING kvmalloc is used to allocate this memory at line 248

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: Ammar Faizi <ammarfaizi2@gnuweeb.org>
CC: "GNU/Weeb Mailing List" <gwml@vger.gnuweeb.org>
TO: David Hildenbrand <david@redhat.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: Yang Li <yang.lee@linux.alibaba.com>

tree:   https://github.com/ammarfaizi2/linux-block akpm/mm/mm-stable
head:   3b91010500eba3601e906b0e92cf84fab4d895d1
commit: c77369b437f983a862bb6741814670d4ad38478c [29/237] mm/gup_test: start/stop/read functionality for PIN LONGTERM test
:::::: branch date: 11 hours ago
:::::: commit date: 5 weeks ago
config: arm-randconfig-c44-20221209
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@lip6.fr>

cocci warnings: (new ones prefixed by >>)
>> mm/gup_test.c:257:13-14: WARNING kvmalloc is used to allocate this memory at line 248

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