From: Matthew Wilcox <willy@debian.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] default VM flags for upwards-growing stacks
Date: Wed, 16 Oct 2002 19:42:38 +0100 [thread overview]
Message-ID: <20021016194238.O15163@parcelfarce.linux.theplanet.co.uk> (raw)
diff -urpNX build-tools/dontdiff linus-2.5/include/linux/mm.h parisc-2.5/include/linux/mm.h
--- linus-2.5/include/linux/mm.h Tue Oct 8 10:54:13 2002
+++ parisc-2.5/include/linux/mm.h Tue Oct 8 16:49:15 2002
@@ -106,7 +106,11 @@ struct vm_area_struct {
#define VM_ACCOUNT 0x00100000 /* Is a VM accounted object */
#define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */
-#define VM_STACK_FLAGS (0x00000100 | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
+#ifdef ARCH_STACK_GROWSUP
+#define VM_STACK_FLAGS (VM_GROWSUP | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
+#else
+#define VM_STACK_FLAGS (VM_GROWSDOWN | VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT)
+#endif
#define VM_READHINTMASK (VM_SEQ_READ | VM_RAND_READ)
#define VM_ClearReadHint(v) (v)->vm_flags &= ~VM_READHINTMASK
--
Revolutions do not require corporate support.
next reply other threads:[~2002-10-16 18:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-16 18:42 Matthew Wilcox [this message]
2002-10-16 18:56 ` Jeff Garzik
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