[rppt:gfp-to-kmalloc/scsi 5/5] include/linux/alloc_tag.h:265:1: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast

[rppt:gfp-to-kmalloc/scsi 5/5] include/linux/alloc_tag.h:265:1: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git gfp-to-kmalloc/scsi
head:   8434cdcf311874c86620e4dbacbe17f63b33eca4
commit: 8434cdcf311874c86620e4dbacbe17f63b33eca4 [5/5] scsi: sym53c8xx_2: replace __get_free_pages() with kmalloc()
config: alpha-randconfig-r132-20260617 (https://download.01.org/0day-ci/archive/20260617/202606170853.axxilhtB-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260617/202606170853.axxilhtB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606170853.axxilhtB-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/percpu.h:5,
                    from include/linux/context_tracking_state.h:5,
                    from include/linux/hardirq.h:5,
                    from include/linux/interrupt.h:11,
                    from drivers/scsi/sym53c8xx_2/sym_glue.h:32,
                    from drivers/scsi/sym53c8xx_2/sym_malloc.c:27:
   drivers/scsi/sym53c8xx_2/sym_malloc.c: In function '___mp0_get_mem_cluster':
   drivers/scsi/sym53c8xx_2/sym_hipd.h:1114:30: error: 'M_MEM_PAGE_ORDER' undeclared (first use in this function); did you mean 'SYM_MEM_PAGE_ORDER'?
    1114 |         kmalloc(PAGE_SIZE << M_MEM_PAGE_ORDER, GFP_ATOMIC)
         |                              ^~~~~~~~~~~~~~~~
   include/linux/alloc_tag.h:253:16: note: in definition of macro 'alloc_hooks_tag'
     253 |         typeof(_do_alloc) _res;                                         \
         |                ^~~~~~~~~
   include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks'
     956 | #define kmalloc(...)                            alloc_hooks(kmalloc_noprof(__VA_ARGS__))
         |                                                 ^~~~~~~~~~~
   drivers/scsi/sym53c8xx_2/sym_hipd.h:1114:9: note: in expansion of macro 'kmalloc'
    1114 |         kmalloc(PAGE_SIZE << M_MEM_PAGE_ORDER, GFP_ATOMIC)
         |         ^~~~~~~
   drivers/scsi/sym53c8xx_2/sym_malloc.c:182:19: note: in expansion of macro 'sym_get_mem_cluster'
     182 |         void *m = sym_get_mem_cluster();
         |                   ^~~~~~~~~~~~~~~~~~~
   drivers/scsi/sym53c8xx_2/sym_hipd.h:1114:30: note: each undeclared identifier is reported only once for each function it appears in
    1114 |         kmalloc(PAGE_SIZE << M_MEM_PAGE_ORDER, GFP_ATOMIC)
         |                              ^~~~~~~~~~~~~~~~
   include/linux/alloc_tag.h:253:16: note: in definition of macro 'alloc_hooks_tag'
     253 |         typeof(_do_alloc) _res;                                         \
         |                ^~~~~~~~~
   include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks'
     956 | #define kmalloc(...)                            alloc_hooks(kmalloc_noprof(__VA_ARGS__))
         |                                                 ^~~~~~~~~~~
   drivers/scsi/sym53c8xx_2/sym_hipd.h:1114:9: note: in expansion of macro 'kmalloc'
    1114 |         kmalloc(PAGE_SIZE << M_MEM_PAGE_ORDER, GFP_ATOMIC)
         |         ^~~~~~~
   drivers/scsi/sym53c8xx_2/sym_malloc.c:182:19: note: in expansion of macro 'sym_get_mem_cluster'
     182 |         void *m = sym_get_mem_cluster();
         |                   ^~~~~~~~~~~~~~~~~~~
>> include/linux/alloc_tag.h:265:1: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     265 | ({                                                                      \
         | ^
   include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks'
     956 | #define kmalloc(...)                            alloc_hooks(kmalloc_noprof(__VA_ARGS__))
         |                                                 ^~~~~~~~~~~
   drivers/scsi/sym53c8xx_2/sym_hipd.h:1114:9: note: in expansion of macro 'kmalloc'
    1114 |         kmalloc(PAGE_SIZE << M_MEM_PAGE_ORDER, GFP_ATOMIC)
         |         ^~~~~~~
   drivers/scsi/sym53c8xx_2/sym_malloc.c:182:19: note: in expansion of macro 'sym_get_mem_cluster'
     182 |         void *m = sym_get_mem_cluster();
         |                   ^~~~~~~~~~~~~~~~~~~


vim +265 include/linux/alloc_tag.h

b951aaff503502 Suren Baghdasaryan 2024-03-21  263  
b951aaff503502 Suren Baghdasaryan 2024-03-21  264  #define alloc_hooks(_do_alloc)						\
b951aaff503502 Suren Baghdasaryan 2024-03-21 @265  ({									\
b951aaff503502 Suren Baghdasaryan 2024-03-21  266  	DEFINE_ALLOC_TAG(_alloc_tag);					\
b951aaff503502 Suren Baghdasaryan 2024-03-21  267  	alloc_hooks_tag(&_alloc_tag, _do_alloc);			\
b951aaff503502 Suren Baghdasaryan 2024-03-21  268  })
b951aaff503502 Suren Baghdasaryan 2024-03-21  269  

:::::: The code at line 265 was first introduced by commit
:::::: b951aaff503502a7fe066eeed2744ba8a6413c89 mm: enable page allocation tagging

:::::: TO: Suren Baghdasaryan <surenb@google.com>
:::::: CC: Andrew Morton <akpm@linux-foundation.org>

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