The patch titled Subject: mm: introduce check_data_rlimit helper has been removed from the -mm tree. Its filename was mm-introduce-check_data_rlimit-helper-v2.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> Subject: mm: introduce check_data_rlimit helper To eliminate code duplication lets introduce check_data_rlimit helper which we will use in brk() and prctl() syscalls. Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Andrew Vagin <avagin@xxxxxxxxxx> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx> Cc: Pavel Emelyanov <xemul@xxxxxxxxxxxxx> Cc: Vasiliy Kulikov <segoon@xxxxxxxxxxxx> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> Cc: Michael Kerrisk <mtk.manpages@xxxxxxxxx> Cc: Julien Tinnes <jln@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/mm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff -puN include/linux/mm.h~mm-introduce-check_data_rlimit-helper-v2 include/linux/mm.h --- a/include/linux/mm.h~mm-introduce-check_data_rlimit-helper-v2 +++ a/include/linux/mm.h @@ -18,6 +18,7 @@ #include <linux/pfn.h> #include <linux/bit_spinlock.h> #include <linux/shrinker.h> +#include <linux/resource.h> struct mempolicy; struct anon_vma; @@ -1780,6 +1781,20 @@ extern struct vm_area_struct *copy_vma(s bool *need_rmap_locks); extern void exit_mmap(struct mm_struct *); +static inline int check_data_rlimit(unsigned long rlim, + unsigned long new, + unsigned long start, + unsigned long end_data, + unsigned long start_data) +{ + if (rlim < RLIM_INFINITY) { + if (((new - start) + (end_data - start_data)) > rlim) + return -ENOSPC; + } + + return 0; +} + extern int mm_take_all_locks(struct mm_struct *mm); extern void mm_drop_all_locks(struct mm_struct *mm); _ Patches currently in -mm which might be from gorcunov@xxxxxxxxxx are origin.patch mm-softdirty-enable-write-notifications-on-vmas-after-vm_softdirty-cleared.patch mm-softdirty-enable-write-notifications-on-vmas-after-vm_softdirty-cleared-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html