The patch titled
Subject: selftests/mm: parse VMA range in one go
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-parse-vma-range-in-one-go.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-parse-vma-range-in-one-go.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Dev Jain <dev.jain@xxxxxxx>
Subject: selftests/mm: parse VMA range in one go
Date: Fri, 22 Mar 2024 17:35:51 +0530
Use sscanf() to directly parse the VMA range. No functional change is intended.
Link: https://lkml.kernel.org/r/20240322120551.818764-1-dev.jain@xxxxxxx
Signed-off-by: Dev Jain <dev.jain@xxxxxxx>
Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/mlock2-tests.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
--- a/tools/testing/selftests/mm/mlock2-tests.c~selftests-mm-parse-vma-range-in-one-go
+++ a/tools/testing/selftests/mm/mlock2-tests.c
@@ -20,8 +20,6 @@ static int get_vm_area(unsigned long add
FILE *file;
int ret = 1;
char line[1024] = {0};
- char *end_addr;
- char *stop;
unsigned long start;
unsigned long end;
@@ -37,21 +35,10 @@ static int get_vm_area(unsigned long add
memset(area, 0, sizeof(struct vm_boundaries));
while(fgets(line, 1024, file)) {
- end_addr = strchr(line, '-');
- if (!end_addr) {
+ if (sscanf(line, "%lx-%lx", &start, &end) != 2) {
ksft_print_msg("cannot parse /proc/self/maps\n");
goto out;
}
- *end_addr = '\0';
- end_addr++;
- stop = strchr(end_addr, ' ');
- if (!stop) {
- ksft_print_msg("cannot parse /proc/self/maps\n");
- goto out;
- }
-
- sscanf(line, "%lx", &start);
- sscanf(end_addr, "%lx", &end);
if (start <= addr && end > addr) {
area->start = start;
_
Patches currently in -mm which might be from dev.jain@xxxxxxx are
selftests-mm-virtual_address_range-switch-to-ksft_exit_fail_msg.patch
selftests-mm-confirm-va-exhaustion-without-reliance-on-correctness-of-mmap.patch
selftests-mm-parse-vma-range-in-one-go.patch
