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uaccess: provide a generic TASK_SIZE_MAX definition

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Define TASK_SIZE_MAX as TASK_SIZE if not otherwise defined.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Christoph Hellwig
2020-09-07 07:58:18 +02:00
committed by Palmer Dabbelt
parent eee4e23099
commit 24ce66c04a
1 changed files with 4 additions and 0 deletions
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4
include/linux/uaccess.h
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@@ -31,6 +31,10 @@ typedef struct {
/* empty dummy */ /* empty dummy */
} mm_segment_t; } mm_segment_t;
#ifndef TASK_SIZE_MAX
#define TASK_SIZE_MAX TASK_SIZE
#endif
#define uaccess_kernel() (false) #define uaccess_kernel() (false)
#define user_addr_max() (TASK_SIZE_MAX) #define user_addr_max() (TASK_SIZE_MAX)