Commit 8462e201 authored by Hugh Dickins's avatar Hugh Dickins Committed by Linus Torvalds

[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: default avatarHugh Dickins <hugh@veritas.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent e2cdef8c
......@@ -118,9 +118,6 @@ asmlinkage long sys_mincore(unsigned long start, size_t len,
if (start & ~PAGE_CACHE_MASK)
goto einval;
if (start < FIRST_USER_PGD_NR * PGDIR_SIZE)
goto enomem;
limit = TASK_SIZE;
if (start >= limit)
goto enomem;
......
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