diff options
author | David S. Miller <davem@davemloft.net> | 2020-03-29 21:25:29 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2020-03-29 21:25:29 -0700 |
commit | f0b5989745c3e0e92424d36869a97e4e8df7ab13 (patch) | |
tree | 0e9759b9d6060bb94cad676b1b16e423d5ad2523 /drivers/base | |
parent | 1a147b74c2fd4058dea0133cb2471724c3b3de09 (diff) | |
parent | 7111951b8d4973bda27ff663f2cf18b663d15b48 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor comment conflict in mac80211.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/memory.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c index b9f474c11393..4086718f6876 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -97,30 +97,13 @@ static ssize_t phys_index_show(struct device *dev, } /* - * Show whether the memory block is likely to be offlineable (or is already - * offline). Once offline, the memory block could be removed. The return - * value does, however, not indicate that there is a way to remove the - * memory block. + * Legacy interface that we cannot remove. Always indicate "removable" + * with CONFIG_MEMORY_HOTREMOVE - bad heuristic. */ static ssize_t removable_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct memory_block *mem = to_memory_block(dev); - unsigned long pfn; - int ret = 1, i; - - if (mem->state != MEM_ONLINE) - goto out; - - for (i = 0; i < sections_per_block; i++) { - if (!present_section_nr(mem->start_section_nr + i)) - continue; - pfn = section_nr_to_pfn(mem->start_section_nr + i); - ret &= is_mem_section_removable(pfn, PAGES_PER_SECTION); - } - -out: - return sprintf(buf, "%d\n", ret); + return sprintf(buf, "%d\n", (int)IS_ENABLED(CONFIG_MEMORY_HOTREMOVE)); } /* |