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um: setup_physmem: stop using global variables

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The setup_physmem() function receives uml_physmem and uml_reserved as
parameters and still used these global variables.  Replace such usage with
local variables.

Link: http://lkml.kernel.org/r/1533326330-31677-6-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Richard Weinberger <richard@nod.at>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2018-10-26 15:04:58 -07:00 committed by Linus Torvalds
parent 0042379279
commit be6ec5b1ee
1 changed files with 3 additions and 3 deletions
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6
arch/um/kernel/physmem.c
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@ -86,7 +86,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
long map_size;
int err;
offset = uml_reserved - uml_physmem;
offset = reserve_end - start;
map_size = len - offset;
if(map_size <= 0) {
os_warn("Too few physical memory! Needed=%lu, given=%lu\n",
@ -96,12 +96,12 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
physmem_fd = create_mem_file(len + highmem);
err = os_map_memory((void *) uml_reserved, physmem_fd, offset,
err = os_map_memory((void *) reserve_end, physmem_fd, offset,
map_size, 1, 1, 1);
if (err < 0) {
os_warn("setup_physmem - mapping %ld bytes of memory at 0x%p "
"failed - errno = %d\n", map_size,
(void *) uml_reserved, err);
(void *) reserve_end, err);
exit(1);
}