diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-14 18:49:23 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2020-12-14 18:54:30 +0100 |
| commit | c7b858ff8d2e8b2d785f74b2d319bc9c839f4faa (patch) | |
| tree | 9ad109d5999444dfb3a281678b6b63d2570a76cd /miscutils/devmem.c | |
| parent | fd3c512f88d43e6633bd3c3110cfa0bb321adaa8 (diff) | |
| download | busybox-c7b858ff8d2e8b2d785f74b2d319bc9c839f4faa.tar.gz | |
libbb: add and use infrastructure for fixed page size optimization
function old new delta
procps_scan 1121 1118 -3
getpagesize 6 - -6
rpm_main 1037 1027 -10
rpm2cpio_main 120 110 -10
ptok 38 21 -17
time_main 1282 1261 -21
mkswap_main 317 278 -39
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/6 up/down: 0/-106) Total: -106 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/devmem.c')
| -rw-r--r-- | miscutils/devmem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/miscutils/devmem.c b/miscutils/devmem.c index e8dce5225..f9f0276bc 100644 --- a/miscutils/devmem.c +++ b/miscutils/devmem.c @@ -75,7 +75,7 @@ int devmem_main(int argc UNUSED_PARAM, char **argv) bb_show_usage(); /* one of bb_strtouXX failed */ fd = xopen("/dev/mem", argv[3] ? (O_RDWR | O_SYNC) : (O_RDONLY | O_SYNC)); - mapped_size = page_size = getpagesize(); + mapped_size = page_size = bb_getpagesize(); offset_in_page = (unsigned)target & (page_size - 1); if (offset_in_page + width > page_size) { /* This access spans pages. |