Commit 8462e201 authored Apr 19, 2005 by Hugh Dickins Committed by Linus Torvalds Apr 19, 2005

[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>

parent e2cdef8c

mm/mincore.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -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;