lkml.org 
[lkml]   [2013]   [May]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] ix86: don't waste fixmap entries
The vsyscall related pvclock entries can only ever be used on x86-64,
and hence they shouldn't even get allocated for 32-bit kernels (the
more that it is there where address space is relatively precious).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>

---
arch/x86/include/asm/fixmap.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 3.10-rc3/arch/x86/include/asm/fixmap.h
+++ 3.10-rc3-ix86-fixmap-no-pvclock/arch/x86/include/asm/fixmap.h
@@ -81,11 +81,11 @@ enum fixed_addresses {
+ ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1,
VVAR_PAGE,
VSYSCALL_HPET,
-#endif
#ifdef CONFIG_PARAVIRT_CLOCK
PVCLOCK_FIXMAP_BEGIN,
PVCLOCK_FIXMAP_END = PVCLOCK_FIXMAP_BEGIN+PVCLOCK_VSYSCALL_NR_PAGES-1,
#endif
+#endif
FIX_DBGP_BASE,
FIX_EARLYCON_MEM_BASE,
#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT




\
 
 \ /
  Last update: 2013-05-29 15:01    [W:0.033 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site