From fd3c512f88d43e6633bd3c3110cfa0bb321adaa8 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 14 Dec 2020 18:25:28 +0100 Subject: libbb: create and use mmap() helpers function old new delta mmap_anon - 22 +22 mmap_read - 21 +21 xmmap_anon - 16 +16 rpm_gettags 465 447 -18 bb_full_fd_action 498 480 -18 uevent_main 337 310 -27 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 0/3 up/down: 59/-63) Total: -4 bytes Signed-off-by: Denys Vlasenko --- modutils/modutils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'modutils') diff --git a/modutils/modutils.c b/modutils/modutils.c index 6f7cd9721..f7ad5e805 100644 --- a/modutils/modutils.c +++ b/modutils/modutils.c @@ -169,7 +169,7 @@ void* FAST_FUNC try_to_mmap_module(const char *filename, size_t *image_size_p) /* st.st_size is off_t, we can't just pass it to mmap */ if (st.st_size <= *image_size_p) { size_t image_size = st.st_size; - image = mmap(NULL, image_size, PROT_READ, MAP_PRIVATE, fd, 0); + image = mmap_read(fd, image_size); if (image == MAP_FAILED) { image = NULL; } else if (*(uint32_t*)image != SWAP_BE32(0x7f454C46)) { -- cgit v1.2.3