mirror of https://gitee.com/openkylin/linux.git
arch_mmap_check() on mn10300
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -1 +1,6 @@
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#include <asm-generic/mman.h>
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#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
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#define arch_mmap_check(addr, len, flags) \
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(((flags) & MAP_FIXED && (addr) < MIN_MAP_ADDR) ? -EINVAL : 0)
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@ -23,8 +23,6 @@
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#include <asm/uaccess.h>
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#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
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/*
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* memory mapping syscall
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*/
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@ -37,9 +35,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
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flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
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if (flags & MAP_FIXED && addr < MIN_MAP_ADDR)
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goto out;
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error = -EBADF;
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if (!(flags & MAP_ANONYMOUS)) {
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file = fget(fd);
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