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Zachary Amsden d7271b14b2 [PATCH] i386: encapsulate copying of pgd entries 
Add a clone operation for pgd updates.

This helps complete the encapsulation of updates to page tables (or pages
about to become page tables) into accessor functions rather than using
memcpy() to duplicate them.  This is both generally good for consistency
and also necessary for running in a hypervisor which requires explicit
updates to page table entries.

The new function is:

clone_pgd_range(pgd_t *dst, pgd_t *src, int count);

   dst - pointer to pgd range anwhere on a pgd page
   src - ""
   count - the number of pgds to copy.

   dst and src can be on the same page, but the range must not overlap
   and must not cross a page boundary.

Note that I ommitted using this call to copy pgd entries into the
software suspend page root, since this is not technically a live paging
structure, rather it is used on resume from suspend.  CC'ing Pavel in case
he has any feedback on this.

Thanks to Chris Wright for noticing that this could be more optimal in
PAE compiles by eliminating the memset.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-05 00:06:13 -07:00
..
acpi /home/lenb/src/to-linus branch 'acpi-2.6.12' 2005-07-29 23:31:17 -04:00
asm-alpha [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-arm [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-arm26 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-cris [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-frv [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-generic [PATCH] x86: ptep_clear optimization 2005-09-05 00:05:48 -07:00
asm-h8300 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-i386 [PATCH] i386: encapsulate copying of pgd entries 2005-09-05 00:06:13 -07:00
asm-ia64 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-m32r [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-m68k [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-m68knommu [PATCH] mm: consolidate get_order 2005-09-05 00:05:39 -07:00
asm-mips [PATCH] mips: remove timex.h for vr41xx 2005-09-05 00:06:08 -07:00
asm-parisc [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-powerpc [PATCH] Move all the very similar files to asm-powerpc 2005-08-30 13:32:06 +10:00
asm-ppc [PATCH] ppc32: mv64x60 updates & enhancements 2005-09-05 00:06:00 -07:00
asm-ppc64 [PATCH] ppc64: Add VMX save flag to VPA 2005-09-05 00:06:01 -07:00
asm-s390 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-sh [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-sh64 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-sparc [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-sparc64 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-um [PATCH] mm: correct _PAGE_FILE comment 2005-09-05 00:05:45 -07:00
asm-v850 [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
asm-x86_64 [PATCH] i386: cleanup serialize msr 2005-09-05 00:06:11 -07:00
asm-xtensa [PATCH] sab: consolidate kmem_bufctl_t 2005-09-05 00:05:48 -07:00
linux [PATCH] x86: fix EFI memory map parsing 2005-09-05 00:06:09 -07:00
math-emu
media [PATCH] V4L: Miscellaneous fixes 2005-08-01 19:13:59 -07:00
mtd
net /spare/repo/netdev-2.6 branch 'master' 2005-09-01 18:02:01 -04:00
pcmcia [PATCH] pcmcia: fix pcmcia-cs compilation 2005-07-12 16:00:59 -07:00
rdma [PATCH] IB: move include files to include/rdma 2005-08-26 20:37:38 -07:00
rxrpc
scsi [SCSI] fix target scanning oops with fc transport class 2005-08-08 17:14:55 -05:00
sound [ALSA] version 1.0.10rc1 2005-08-30 08:48:35 +02:00
video [PATCH] DEC PMAGB B framebuffer update 2005-09-05 00:06:03 -07:00