mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH] Make pud_alloc() and pmd_alloc() non-existant on !MMU
@ 2005-01-05 14:35 David Howells
  0 siblings, 0 replies; only message in thread
From: David Howells @ 2005-01-05 14:35 UTC (permalink / raw)
  To: torvalds, akpm; +Cc: linux-kernel


The attached patch makes the general pud_alloc() and pmd_alloc() inline
functions unavailable if CONFIG_MMU is not defined.

Signed-Off-By: David Howells <dhowells@redhat.com>
---
warthog>diffstat nommu-pudpmd-alloc-2610bk8.diff 
 mm.h |    2 ++
 1 files changed, 2 insertions(+)

diff -uNrp /warthog/kernels/linux-2.6.10-bk8/include/linux/mm.h linux-2.6.10-bk8-frv/include/linux/mm.h
--- /warthog/kernels/linux-2.6.10-bk8/include/linux/mm.h	2005-01-05 13:21:46.701484684 +0000
+++ linux-2.6.10-bk8-frv/include/linux/mm.h	2005-01-05 13:51:04.063609425 +0000
@@ -659,6 +659,7 @@ extern void remove_shrinker(struct shrin
  * The following ifdef needed to get the 4level-fixup.h header to work.
  * Remove it when 4level-fixup.h has been removed.
  */
+#ifdef CONFIG_MMU
 #ifndef __ARCH_HAS_4LEVEL_HACK 
 static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address)
 {
@@ -674,6 +675,7 @@ static inline pmd_t *pmd_alloc(struct mm
 	return pmd_offset(pud, address);
 }
 #endif
+#endif /* CONFIG_MMU */
 
 extern void free_area_init(unsigned long * zones_size);
 extern void free_area_init_node(int nid, pg_data_t *pgdat,

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2005-01-05 14:35 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2005-01-05 14:35 [PATCH] Make pud_alloc() and pmd_alloc() non-existant on !MMU David Howells

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

Powered by JetHome