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kboot: Use MIN instead of min

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MIN works for any type, while min() is only for integers. So we were
rounding down to 0 since that's the size of 4GB truncated to an int.

Sponsored by: Netflix
This commit is contained in:
Warner Losh 2023-03-02 10:56:44 -07:00
parent 3a616b10d8
commit 35b4acad2f
1 changed files with 4 additions and 3 deletions
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7
stand/kboot/main.c
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@ -344,10 +344,11 @@ get_phys_buffer(vm_offset_t dest, const size_t len, void **buf)
/* how much space does this segment have */
sz = space_avail(dest);
/* Clip to 45% of available memory (need 2 copies) */
sz = min(sz, rounddown2(mem_avail * 45 / 100, SEGALIGN));
sz = MIN(sz, rounddown2(mem_avail * 45 / 100, SEGALIGN));
printf("limit to 45%% of mem_avail %zd\n", sz);
/* And only use 95% of what we can allocate */
sz = min(sz, rounddown2(
(commit_limit - committed_as) * 95 / 100, SEGALIGN));
sz = MIN(sz,
rounddown2((commit_limit - committed_as) * 95 / 100, SEGALIGN));
printf("Allocating %zd MB for first segment\n", sz >> 20);
}