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8b150478ae
android_kernel_xiaomi_sm7250/arch/ppc/kernel
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Roland Dreier 8b150478ae [PATCH] ppc: make phys_mem_access_prot() work with pfns instead of addresses 
Change the phys_mem_access_prot() function to take a pfn instead of an
address.  This allows mmap64() to work on /dev/mem for addresses above 4G
on 32-bit architectures.  We start with a pfn in mmap_mem(), so there's no
need to convert to an address; in fact, it's actively bad, since the
conversion can overflow when the address is above 4G.

Similarly fix the ppc32 page_is_ram() function to avoid a conversion to an
address by directly comparing to max_pfn.  Working with max_pfn instead of
high_memory fixes page_is_ram() to give the right answer for highmem pages.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Cc: Anton Blanchard <anton@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-10-29 14:25:49 +10:00
..
align.c [PATCH] powerpc: Fix handling of fpscr on 64-bit 2005-10-27 20:48:50 +10:00
asm-offsets.c [PATCH] powerpc: Merge thread_info.h 2005-10-21 22:47:23 +10:00
bitops.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpu_setup_6xx.S ppc32: use L1_CACHE_SHIFT/L1_CACHE_BYTES 2005-10-17 11:50:32 +10:00
cpu_setup_power4.S ppc32: use L1_CACHE_SHIFT/L1_CACHE_BYTES 2005-10-17 11:50:32 +10:00
dma-mapping.c [PATCH] ppc highmem fix 2005-10-11 09:46:54 -07:00
entry.S [PATCH] powerpc: Merge thread_info.h 2005-10-21 22:47:23 +10:00
head_4xx.S [PATCH] ppc32: replace use of _GLOBAL with .globl for ppc32 2005-10-20 09:43:34 +10:00
head_8xx.S powerpc: merge idle_power4.S and trapc.s 2005-10-01 18:43:42 +10:00
head_44x.S [PATCH] ppc32: replace use of _GLOBAL with .globl for ppc32 2005-10-20 09:43:34 +10:00
head_booke.h powerpc: merge idle_power4.S and trapc.s 2005-10-01 18:43:42 +10:00
head_fsl_booke.S [PATCH] ppc32: replace use of _GLOBAL with .globl for ppc32 2005-10-20 09:43:34 +10:00
head.S ppc32: use L1_CACHE_SHIFT/L1_CACHE_BYTES 2005-10-17 11:50:32 +10:00
idle_6xx.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
idle_power4.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
idle.c powerpc/ppc/ppc64: Various compile fixes. 2005-10-20 21:10:09 +10:00
irq.c powerpc: Make some #includes explicit. 2005-10-10 14:14:55 +10:00
l2cr.S ppc32: use L1_CACHE_SHIFT/L1_CACHE_BYTES 2005-10-17 11:50:32 +10:00
machine_kexec.c [PATCH] kexec-ppc: fix for ksysfs crash_notes 2005-07-12 16:01:03 -07:00
Makefile [PATCH] powerpc: Merge ppc64 pmc.[ch] with ppc32 perfmon.[ch] 2005-10-20 16:22:24 +10:00
misc.S [PATCH] powerpc: Fix handling of fpscr on 64-bit 2005-10-27 20:48:50 +10:00
module.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci.c [PATCH] ppc: make phys_mem_access_prot() work with pfns instead of addresses 2005-10-29 14:25:49 +10:00
perfmon_fsl_booke.c [PATCH] powerpc: Merge ppc64 pmc.[ch] with ppc32 perfmon.[ch] 2005-10-20 16:22:24 +10:00
ppc_htab.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ppc_ksyms.c powerpc: Move agp_special_page export to where it is defined 2005-10-22 14:42:51 +10:00
ppc-stub.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
process.c [PATCH] ppc32: #ifdef out ALTIVEC specific code in __switch_to 2005-10-29 13:55:43 +10:00
relocate_kernel.S [PATCH] ppc32: use correct register names in arch/ppc/kernel/relocate_kernel.S 2005-06-30 08:45:09 -07:00
semaphore.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
setup.c ppc: Various minor compile fixes 2005-10-11 22:08:12 +10:00
smp-tbsync.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
smp.c ppc: Minor smp changes for consistency with ppc64 2005-10-19 21:44:51 +10:00
softemu8xx.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
swsusp.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
temp.c [PATCH] ppc32: remove use of asm/segment.h 2005-09-13 08:22:28 -07:00
time.c powerpc: Merge time.c and asm/time.h. 2005-10-20 09:23:26 +10:00
traps.c [PATCH] powerpc: Fix handling of fpscr on 64-bit 2005-10-27 20:48:50 +10:00
vmlinux.lds.S [PATCH] powerpc: Remove section free() and linker script bits 2005-09-19 09:38:49 +10:00