[PATCH] freepgt: sys_mincore ignore FIRST_USER_PGD_NR
Remove use of FIRST_USER_PGD_NR from sys_mincore: it's inconsistent (no other syscall refers to it), unnecessary (sys_mincore loops over vmas further down) and incorrect (misses user addresses in ARM's first pgd). Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -118,9 +118,6 @@ asmlinkage long sys_mincore(unsigned long start, size_t len,
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if (start & ~PAGE_CACHE_MASK)
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goto einval;
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if (start < FIRST_USER_PGD_NR * PGDIR_SIZE)
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goto enomem;
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limit = TASK_SIZE;
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if (start >= limit)
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goto enomem;
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