73615b42a5
* feature: support HUGEPAGE_PROBE + hugepageedit mark shared object
specified segment, just try to use hugepage to mmap specified segment
instead of all the segments in the shared object
* bugfix: remove _mmap_hole when ld.so mmap PT_LOAD segment try to use hugepage
Signed-off-by: Lv Ying <lvying6@huawei.com>
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 2ace2eddbd6a0cda2006e632444cd19a360d12d4 Mon Sep 17 00:00:00 2001
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From: Lv Ying <lvying6@huawei.com>
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Date: Fri, 24 Feb 2023 16:14:42 +0800
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Subject: [PATCH 2/3] elf/ld.so: keep compatible with the original policy of
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the LD_HUGEPAGE_LIB env
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When we use new policy: ld.so load PT_LOAD segement use hugepage according to
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PF_HUGEPAGE flag. We should keep compatible with the original policy of
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the LD_HUGEPAGE_LIB env which loads all the PT_LOAD segment try to use
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hugepage.
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Signed-off-by: Lv Ying <lvying6@huawei.com>
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---
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elf/dl-load.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/elf/dl-load.c b/elf/dl-load.c
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index e0d4fa2e..e01bb448 100644
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--- a/elf/dl-load.c
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+++ b/elf/dl-load.c
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@@ -1184,7 +1184,9 @@ _dl_map_object_from_fd (const char *name, const char *origname, int fd,
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}
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#ifdef HUGEPAGE_SHARED_LIB
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- if (ph->p_flags & PF_HUGEPAGE) {
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+ if (GLRO(dl_hugepage_mask) & DL_HUGEPAGE_LIB_LARGE_IN_FLAG) {
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+ hp_bitmap[nloadcmds] = 1;
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+ } else if (ph->p_flags & PF_HUGEPAGE) {
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hp_bitmap[nloadcmds] = 1;
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use_hugepage = true;
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} else
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--
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2.38.1
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