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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:15:25 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:15:25 -0800 |
commit | 770e1b035dcb6ec3f8ee69dda0815dd1e220a683 (patch) | |
tree | e6d36abfdb053fbc722aea8d7e946d6d1b93c7e1 /arch/arm/mm/init.c | |
parent | d3d0b024348c040f0d6851e2e59fc961677d5169 (diff) | |
parent | 7b9dd47136c07ffd883aff6926c7b281e4c1eea4 (diff) | |
download | op-kernel-dev-770e1b035dcb6ec3f8ee69dda0815dd1e220a683.zip op-kernel-dev-770e1b035dcb6ec3f8ee69dda0815dd1e220a683.tar.gz |
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (207 commits)
ARM: 7267/1: Remove BUILD_BUG_ON from asm/bug.h
ARM: 7269/1: mach-sa1100: fix sched_clock breakage
ARM: 7198/1: arm/imx6: add restart support for imx6q
ARM: restart: remove the now empty arch_reset()
ARM: restart: remove comments about adding code to arch_reset()
ARM: restart: lpc32xx & u300: remove unnecessary printk
ARM: restart: plat-samsung: remove plat/reset.h and s5p_reset_hook
ARM: restart: w90x900: use new restart hook
ARM: restart: Versatile Express: use new restart hook
ARM: restart: versatile: use new restart hook
ARM: restart: u300: use new restart hook
ARM: restart: tegra: use new restart hook
ARM: restart: spear: use new restart hook
ARM: restart: shark: use new restart hook
ARM: restart: sa1100: use new restart hook
ARM: 7252/1: restart: S5PV210: use new restart hook
ARM: 7251/1: restart: S5PC100: use new restart hook
ARM: 7250/1: restart: S5P64X0: use new restart hook
ARM: 7266/1: restart: S3C64XX: use new restart hook
ARM: 7265/1: restart: S3C24XX: use new restart hook
...
Fix up trivial conflict in arch/arm/mm/init.c due to removal of
memblock_init() clashing with the movement of the sorting of the meminfo
array.
Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r-- | arch/arm/mm/init.c | 40 |
1 files changed, 8 insertions, 32 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 7c38474..e34ea8a 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -20,7 +20,6 @@ #include <linux/highmem.h> #include <linux/gfp.h> #include <linux/memblock.h> -#include <linux/sort.h> #include <asm/mach-types.h> #include <asm/prom.h> @@ -135,30 +134,18 @@ void show_mem(unsigned int filter) } static void __init find_limits(unsigned long *min, unsigned long *max_low, - unsigned long *max_high) + unsigned long *max_high) { struct meminfo *mi = &meminfo; int i; - *min = -1UL; - *max_low = *max_high = 0; - - for_each_bank (i, mi) { - struct membank *bank = &mi->bank[i]; - unsigned long start, end; - - start = bank_pfn_start(bank); - end = bank_pfn_end(bank); - - if (*min > start) - *min = start; - if (*max_high < end) - *max_high = end; - if (bank->highmem) - continue; - if (*max_low < end) - *max_low = end; - } + /* This assumes the meminfo array is properly sorted */ + *min = bank_pfn_start(&mi->bank[0]); + for_each_bank (i, mi) + if (mi->bank[i].highmem) + break; + *max_low = bank_pfn_end(&mi->bank[i - 1]); + *max_high = bank_pfn_end(&mi->bank[mi->nr_banks - 1]); } static void __init arm_bootmem_init(unsigned long start_pfn, @@ -320,19 +307,10 @@ static void arm_memory_present(void) } #endif -static int __init meminfo_cmp(const void *_a, const void *_b) -{ - const struct membank *a = _a, *b = _b; - long cmp = bank_pfn_start(a) - bank_pfn_start(b); - return cmp < 0 ? -1 : cmp > 0 ? 1 : 0; -} - void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) { int i; - sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL); - for (i = 0; i < mi->nr_banks; i++) memblock_add(mi->bank[i].start, mi->bank[i].size); @@ -403,8 +381,6 @@ void __init bootmem_init(void) */ arm_bootmem_free(min, max_low, max_high); - high_memory = __va(((phys_addr_t)max_low << PAGE_SHIFT) - 1) + 1; - /* * This doesn't seem to be used by the Linux memory manager any * more, but is used by ll_rw_block. If we can get rid of it, we |