kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-05-09 00:39:32 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

call prctl only on linux/android

Browse source
This commit is contained in:
Alex Zhukov 2025-03-10 14:00:02 -07:00
parent c675fd7f57
commit 5904815f36
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/prim/unix/prim.c
View file

@ -218,7 +218,9 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
_mi_trace_message("unable to directly request aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, addr); _mi_trace_message("unable to directly request aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, addr);
} }
if (p!=MAP_FAILED) { if (p!=MAP_FAILED) {
#if (defined(__linux__) || defined(__ANDROID__))
prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc"); prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc");
#endif
return p; return p;
} }
// fall back to regular mmap // fall back to regular mmap
@ -246,7 +248,9 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
_mi_trace_message("unable to directly request hinted aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, hint); _mi_trace_message("unable to directly request hinted aligned OS memory (error: %d (0x%x), size: 0x%zx bytes, alignment: 0x%zx, hint address: %p)\n", err, err, size, try_alignment, hint);
} }
if (p!=MAP_FAILED) { if (p!=MAP_FAILED) {
#if (defined(__linux__) || defined(__ANDROID__))
prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc"); prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc");
#endif
return p; return p;
} }
// fall back to regular mmap // fall back to regular mmap
@ -255,7 +259,9 @@ static void* unix_mmap_prim(void* addr, size_t size, size_t try_alignment, int p
#endif #endif
// regular mmap // regular mmap
p = mmap(addr, size, protect_flags, flags, fd, 0); p = mmap(addr, size, protect_flags, flags, fd, 0);
#if (defined(__linux__) || defined(__ANDROID__))
prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc"); prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, p, size, "mimalloc");
#endif
if (p!=MAP_FAILED) return p; if (p!=MAP_FAILED) return p;
// failed to allocate // failed to allocate
return NULL; return NULL;