diff options
| author | Srikar Dronamraju <srikar@linux.vnet.ibm.com> | 2016-10-07 16:59:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-07 18:46:28 -0700 |
| commit | 8907de5dc6e9d5925cf3b0a698cc3a4272fda073 (patch) | |
| tree | 8fa6fca9d4bca76358f73044638e3f68fab4bbad /include/linux/memblock.h | |
| parent | f6f34b4387d9e18304451a131b35d7c4f27a0b5a (diff) | |
mm/memblock.c: expose total reserved memory
The total reserved memory in a system is accounted but not available for
use use outside mm/memblock.c. By exposing the total reserved memory,
systems can better calculate the size of large hashes.
Link: http://lkml.kernel.org/r/1472476010-4709-3-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Suggested-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: Hari Bathini <hbathini@linux.vnet.ibm.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/memblock.h')
| -rw-r--r-- | include/linux/memblock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 2925da23505d..5b759c9acf97 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -328,6 +328,7 @@ phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr); phys_addr_t memblock_phys_mem_size(void); +phys_addr_t memblock_reserved_size(void); phys_addr_t memblock_mem_size(unsigned long limit_pfn); phys_addr_t memblock_start_of_DRAM(void); phys_addr_t memblock_end_of_DRAM(void); |