Searched hist:"690 eac53daff34169a4d74fc7bfbd388c4896abb" (Results 1 – 1 of 1) sorted by relevance
| /linux/mm/ |
| H A D | mmap.c | diff 690eac53daff34169a4d74fc7bfbd388c4896abb Sun Jan 11 20:33:57 CET 2015 Linus Torvalds <torvalds@linux-foundation.org> mm: Don't count the stack guard page towards RLIMIT_STACK
Commit fee7e49d4514 ("mm: propagate error from stack expansion even for
guard page") made sure that we return the error properly for stack
growth conditions. It also theorized that counting the guard page
towards the stack limit might break something, but also said "Let's see
if anybody notices".
Somebody did notice. Apparently android-x86 sets the stack limit very
close to the limit indeed, and including the guard page in the rlimit
check causes the android 'zygote' process problems.
So this adds the (fairly trivial) code to make the stack rlimit check be
against the actual real stack size, rather than the size of the vma that
includes the guard page.
Reported-and-tested-by: Chih-Wei Huang <cwhuang@android-x86.org>
Cc: Jay Foad <jay.foad@gmail.com>
Cc: stable@kernel.org # to match back-porting of fee7e49d4514
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|