From ea606cf5d8df370e7932460dfd960b21f20e7c6d Mon Sep 17 00:00:00 2001 From: Andrey Ryabinin Date: Thu, 17 Mar 2016 14:18:48 -0700 Subject: mm: move max_map_count bits into mm.h max_map_count sysctl unrelated to scheduler. Move its bits from include/linux/sched/sysctl.h to include/linux/mm.h. Signed-off-by: Andrey Ryabinin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/sched/sysctl.h | 21 --------------------- 1 file changed, 21 deletions(-) (limited to 'include/linux/sched') diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 4f080ab4f2cd..22db1e63707e 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -14,27 +14,6 @@ extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write, enum { sysctl_hung_task_timeout_secs = 0 }; #endif -/* - * Default maximum number of active map areas, this limits the number of vmas - * per mm struct. Users can overwrite this number by sysctl but there is a - * problem. - * - * When a program's coredump is generated as ELF format, a section is created - * per a vma. In ELF, the number of sections is represented in unsigned short. - * This means the number of sections should be smaller than 65535 at coredump. - * Because the kernel adds some informative sections to a image of program at - * generating coredump, we need some margin. The number of extra sections is - * 1-3 now and depends on arch. We use "5" as safe margin, here. - * - * ELF extended numbering allows more than 65535 sections, so 16-bit bound is - * not a hard limit any more. Although some userspace tools can be surprised by - * that. - */ -#define MAPCOUNT_ELF_CORE_MARGIN (5) -#define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) - -extern int sysctl_max_map_count; - extern unsigned int sysctl_sched_latency; extern unsigned int sysctl_sched_min_granularity; extern unsigned int sysctl_sched_wakeup_granularity; -- cgit v1.2.3-71-gd317