linux/arch/x86
Roland McGrath d9dedc1385 x86_64 vDSO: use initdata
The 64-bit vDSO image is in a special ".vdso" section for no reason
I can determine.  Furthermore, the location of the vdso_end symbol
includes some wrongly-calculated padding space in the image, which
is then (correctly) rounded to page size, resulting in an extra page
of zeros in the image mapped in to user processes.

This changes it to put the vdso.so image into normal initdata as we
have always done for the 32-bit vDSO images.  The extra padding is
gone, so the user VMA is one page instead of two.  The image that
was already copied around at boot time is now in initdata, so we
recover that wasted space after boot.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28 13:49:35 -07:00
..
boot x86, boot: add linked list of struct setup_data 2008-04-26 21:34:42 +02:00
configs x86: add optimized inlining 2008-04-26 17:44:55 +02:00
crypto [CRYPTO] aes-x86-32: Remove unused return code 2008-04-21 10:19:21 +08:00
ia32 x86_64 ia32 ptrace: convert to compat_arch_ptrace 2008-04-26 17:35:47 +02:00
kernel x86_64 vDSO: use initdata 2008-04-28 13:49:35 -07:00
kvm KVM: MMU: kvm_pv_mmu_op should not take mmap_sem 2008-04-27 18:21:45 +03:00
lguest x86: replace remaining __FUNCTION__ occurances 2008-04-17 17:40:57 +02:00
lib x86, UML: remove x86-specific implementations of find_first_bit 2008-04-26 19:21:17 +02:00
mach-default
mach-es7000
mach-generic x86: coding style fixes to arch/x86/mach-generic/bigsmp.c 2008-04-17 17:40:48 +02:00
mach-rdc321x x86, rdc321x: remove watchdog file 2008-04-17 17:40:50 +02:00
mach-visws x86: fix compilation error in VisWS 2008-04-24 23:15:44 +02:00
mach-voyager x86: use cpumask function for present, possible, and online cpus 2008-04-26 17:35:47 +02:00
math-emu x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
mm vmallocinfo: add caller information 2008-04-28 08:58:21 -07:00
oprofile x86: oprofile: remove NR_CPUS arrays in arch/x86/oprofile/nmi_int.c 2008-04-19 19:44:58 +02:00
pci PCI: x86: use generic pci_enable_resources() 2008-04-20 21:47:04 -07:00
power x86: coding style fixes to arch/x86/power/cpu_32.c 2008-04-17 17:40:50 +02:00
vdso x86_64 vDSO: use initdata 2008-04-28 13:49:35 -07:00
video x86: remove pointless comments 2008-04-19 19:19:54 +02:00
xen pageflags: use proper page flag functions in Xen 2008-04-28 08:58:22 -07:00
Kconfig x86: configurable DMI scanning code 2008-04-28 08:58:30 -07:00
Kconfig.cpu x86, bitops: select the generic bitmap search functions 2008-04-26 19:21:17 +02:00
Kconfig.debug x86: add optimized inlining 2008-04-26 17:44:55 +02:00
Makefile x86: add subarch support (for headers) to x86_64 2008-04-17 17:41:01 +02:00
Makefile_32.cpu