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From: James Manning <jmm@computer.org>
To: linux-mm@kvack.org
Subject: redundant BAD_RANGE check?
Date: Tue, 20 Jun 2000 02:27:52 -0400	[thread overview]
Message-ID: <20000620022752.A2246@bp6.sublogic.lan> (raw)

[-- Attachment #1: Type: text/plain, Size: 117 bytes --]

Given that expand() appears to do its own BAD_RANGE check, it looks
unnecessary to check it again in rmqueue.

James

[-- Attachment #2: bad_range.diff --]
[-- Type: text/plain, Size: 322 bytes --]

--- linux-2.4.0-test1-ac22/mm/page_alloc.c.orig	Tue Jun 20 02:24:20 2000
+++ linux-2.4.0-test1-ac22/mm/page_alloc.c	Tue Jun 20 02:25:42 2000
@@ -203,8 +203,6 @@
 			spin_unlock_irqrestore(&zone->lock, flags);
 
 			set_page_count(page, 1);
-			if (BAD_RANGE(zone,page))
-				BUG();
 			return page;	
 		}
 		curr_order++;

                 reply	other threads:[~2000-06-20  6:27 UTC|newest]

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