[PATCH 2/6] freepgt2: 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 <[email protected]>
---

 mm/mincore.c |    3 ---
 1 files changed, 3 deletions(-)

--- 2.6.12-rc2-mm1/mm/mincore.c	2005-04-05 15:21:02.000000000 +0100
+++ linux/mm/mincore.c	2005-04-05 18:59:01.000000000 +0100
@@ -118,9 +118,6 @@ asmlinkage long sys_mincore(unsigned lon
  	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;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH 1/6] freepgt2: free_pgtables from FIRST_USER_ADDRESS
    • From: Hugh Dickins <[email protected]>

• Prev by Date: [PATCH 3/6] freepgt2: arm FIRST_USER_ADDRESS PAGE_SIZE
• Next by Date: Re: [linux-usb-devel] USB glitches after suspend on ppc
• Previous by thread: [PATCH 3/6] freepgt2: arm FIRST_USER_ADDRESS PAGE_SIZE
• Next by thread: [PATCH 4/6] freepgt2: arm26 FIRST_USER_ADDRESS PAGE_SIZE
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]